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chore(deps): update rust crate regex to 1.10.4 #78

Closed renovate[bot] closed 6 months ago

renovate[bot] commented 6 months ago

Mend Renovate

This PR contains the following updates:

Package Type Update Change
regex dev-dependencies minor 1 -> 1.10.4

Release Notes

rust-lang/regex (regex) ### [`v1.10.4`](https://togithub.com/rust-lang/regex/compare/1.10.3...1.10.4) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.10.3...1.10.4) ### [`v1.10.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#1103-2024-01-21) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.10.2...1.10.3) \=================== This is a new patch release that fixes the feature configuration of optional dependencies, and fixes an unsound use of bounds check elision. Bug fixes: - [BUG #​1147](https://togithub.com/rust-lang/regex/issues/1147): Set `default-features=false` for the `memchr` and `aho-corasick` dependencies. - [BUG #​1154](https://togithub.com/rust-lang/regex/pull/1154): Fix unsound bounds check elision. ### [`v1.10.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#1102-2023-10-16) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.10.1...1.10.2) \=================== This is a new patch release that fixes a search regression where incorrect matches could be reported. Bug fixes: - [BUG #​1110](https://togithub.com/rust-lang/regex/issues/1110): Revert broadening of reverse suffix literal optimization introduced in 1.10.1. ### [`v1.10.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#1101-2023-10-14) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.10.0...1.10.1) \=================== This is a new patch release with a minor increase in the number of valid patterns and a broadening of some literal optimizations. New features: - [FEATURE 04f5d7be](https://togithub.com/rust-lang/regex/commit/04f5d7be4efc542864cc400f5d43fbea4eb9bab6): Loosen ASCII-compatible rules such that regexes like `(?-u:☃)` are now allowed. Performance improvements: - [PERF 8a8d599f](https://togithub.com/rust-lang/regex/commit/8a8d599f9d2f2d78e9ad84e4084788c2d563afa5): Broader the reverse suffix optimization to apply in more cases. ### [`v1.10.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#1100-2023-10-09) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.9.6...1.10.0) \=================== This is a new minor release of `regex` that adds support for start and end word boundary assertions. That is, `\<` and `\>`. The minimum supported Rust version has also been raised to 1.65, which was released about one year ago. The new word boundary assertions are: - `\<` or `\b{start}`: a Unicode start-of-word boundary (`\W|\A` on the left, `\w` on the right). - `\>` or `\b{end}`: a Unicode end-of-word boundary (`\w` on the left, `\W|\z` on the right)). - `\b{start-half}`: half of a Unicode start-of-word boundary (`\W|\A` on the left). - `\b{end-half}`: half of a Unicode end-of-word boundary (`\W|\z` on the right). The `\<` and `\>` are GNU extensions to POSIX regexes. They have been added to the `regex` crate because they enjoy somewhat broad support in other regex engines as well (for example, vim). The `\b{start}` and `\b{end}` assertions are aliases for `\<` and `\>`, respectively. The `\b{start-half}` and `\b{end-half}` assertions are not found in any other regex engine (although regex engines with general look-around support can certainly express them). They were added principally to support the implementation of word matching in grep programs, where one generally wants to be a bit more flexible in what is considered a word boundary. New features: - [FEATURE #​469](https://togithub.com/rust-lang/regex/issues/469): Add support for `\<` and `\>` word boundary assertions. - [FEATURE(regex-automata) #​1031](https://togithub.com/rust-lang/regex/pull/1031): DFAs now have a `start_state` method that doesn't use an `Input`. Performance improvements: - [PERF #​1051](https://togithub.com/rust-lang/regex/pull/1051): Unicode character class operations have been optimized in `regex-syntax`. - [PERF #​1090](https://togithub.com/rust-lang/regex/issues/1090): Make patterns containing lots of literal characters use less memory. Bug fixes: - [BUG #​1046](https://togithub.com/rust-lang/regex/issues/1046): Fix a bug that could result in incorrect match spans when using a Unicode word boundary and searching non-ASCII strings. - [BUG(regex-syntax) #​1047](https://togithub.com/rust-lang/regex/issues/1047): Fix panics that can occur in `Ast->Hir` translation (not reachable from `regex` crate). - [BUG(regex-syntax) #​1088](https://togithub.com/rust-lang/regex/issues/1088): Remove guarantees in the API that connect the `u` flag with a specific HIR representation. `regex-automata` breaking change release: This release includes a `regex-automata 0.4.0` breaking change release, which was necessary in order to support the new word boundary assertions. For example, the `Look` enum has new variants and the `LookSet` type now uses `u32` instead of `u16` to represent a bitset of look-around assertions. These are overall very minor changes, and most users of `regex-automata` should be able to move to `0.4` from `0.3` without any changes at all. `regex-syntax` breaking change release: This release also includes a `regex-syntax 0.8.0` breaking change release, which, like `regex-automata`, was necessary in order to support the new word boundary assertions. This release also includes some changes to the `Ast` type to reduce heap usage in some cases. If you are using the `Ast` type directly, your code may require some minor modifications. Otherwise, users of `regex-syntax 0.7` should be able to migrate to `0.8` without any code changes. `regex-lite` release: The `regex-lite 0.1.1` release contains support for the new word boundary assertions. There are no breaking changes. ### [`v1.9.6`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#196-2023-09-30) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.9.5...1.9.6) \================== This is a patch release that fixes a panic that can occur when the default regex size limit is increased to a large number. - [BUG aa4e4c71](https://togithub.com/rust-lang/regex/commit/aa4e4c7120b0090ce0624e3c42a2ed06dd8b918a): Fix a bug where computing the maximum haystack length for the bounded backtracker could result underflow and thus provoke a panic later in a search due to a broken invariant. ### [`v1.9.5`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#195-2023-09-02) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.9.4...1.9.5) \================== This is a patch release that hopefully mostly fixes a performance bug that occurs when sharing a regex across multiple threads. Issue [#​934](https://togithub.com/rust-lang/regex/issues/934) explains this in more detail. It is [also noted in the crate documentation](https://docs.rs/regex/latest/regex/#sharing-a-regex-across-threads-can-result-in-contention). The bug can appear when sharing a regex across multiple threads simultaneously, as might be the case when using a regex from a `OnceLock`, `lazy_static` or similar primitive. Usually high contention only results when using many threads to execute searches on small haystacks. One can avoid the contention problem entirely through one of two methods. The first is to use lower level APIs from `regex-automata` that require passing state explicitly, such as [`meta::Regex::search_with`](https://docs.rs/regex-automata/latest/regex_automata/meta/struct.Regex.html#method.search_with). The second is to clone a regex and send it to other threads explicitly. This will not use any additional memory usage compared to sharing the regex. The only downside of this approach is that it may be less convenient, for example, it won't work with things like `OnceLock` or `lazy_static` or `once_cell`. With that said, as of this release, the contention performance problems have been greatly reduced. This was achieved by changing the free-list so that it was sharded across threads, and that ensuring each sharded mutex occupies a single cache line to mitigate false sharing. So while contention may still impact performance in some cases, it should be a lot better now. Because of the changes to how the free-list works, please report any issues you find with this release. That not only includes search time regressions but also significant regressions in memory usage. Reporting improvements is also welcome as well! If possible, provide a reproduction. Bug fixes: - [BUG #​934](https://togithub.com/rust-lang/regex/issues/934): Fix a performance bug where high contention on a single regex led to massive slow downs. ### [`v1.9.4`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#194-2023-08-26) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.9.3...1.9.4) \================== This is a patch release that fixes a bug where `RegexSet::is_match(..)` could incorrectly return false (even when `RegexSet::matches(..).matched_any()` returns true). Bug fixes: - [BUG #​1070](https://togithub.com/rust-lang/regex/issues/1070): Fix a bug where a prefilter was incorrectly configured for a `RegexSet`. ### [`v1.9.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#193-2023-08-05) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.9.2...1.9.3) \================== This is a patch release that fixes a bug where some searches could result in incorrect match offsets being reported. It is difficult to characterize the types of regexes susceptible to this bug. They generally involve patterns that contain no prefix or suffix literals, but have an inner literal along with a regex prefix that can conditionally match. Bug fixes: - [BUG #​1060](https://togithub.com/rust-lang/regex/issues/1060): Fix a bug with the reverse inner literal optimization reporting incorrect match offsets. ### [`v1.9.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#192-2023-08-05) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.9.1...1.9.2) \================== This is a patch release that fixes another memory usage regression. This particular regression occurred only when using a `RegexSet`. In some cases, much more heap memory (by one or two orders of magnitude) was allocated than in versions prior to 1.9.0. Bug fixes: - [BUG #​1059](https://togithub.com/rust-lang/regex/issues/1059): Fix a memory usage regression when using a `RegexSet`. ### [`v1.9.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#191-2023-07-07) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.9.0...1.9.1) \================== This is a patch release which fixes a memory usage regression. In the regex 1.9 release, one of the internal engines used a more aggressive allocation strategy than what was done previously. This patch release reverts to the prior on-demand strategy. Bug fixes: - [BUG #​1027](https://togithub.com/rust-lang/regex/issues/1027): Change the allocation strategy for the backtracker to be less aggressive. ### [`v1.9.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#190-2023-07-05) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.8.4...1.9.0) \================== This release marks the end of a [years long rewrite of the regex crate internals](https://togithub.com/rust-lang/regex/issues/656). Since this is such a big release, please report any issues or regressions you find. We would also love to hear about improvements as well. In addition to many internal improvements that should hopefully result in "my regex searches are faster," there have also been a few API additions: - A new `Captures::extract` method for quickly accessing the substrings that match each capture group in a regex. - A new inline flag, `R`, which enables CRLF mode. This makes `.` match any Unicode scalar value except for `\r` and `\n`, and also makes `(?m:^)` and `(?m:$)` match after and before both `\r` and `\n`, respectively, but never between a `\r` and `\n`. - `RegexBuilder::line_terminator` was added to further customize the line terminator used by `(?m:^)` and `(?m:$)` to be any arbitrary byte. - The `std` Cargo feature is now actually optional. That is, the `regex` crate can be used without the standard library. - Because `regex 1.9` may make binary size and compile times even worse, a new experimental crate called `regex-lite` has been published. It prioritizes binary size and compile times over functionality (like Unicode) and performance. It shares no code with the `regex` crate. New features: - [FEATURE #​244](https://togithub.com/rust-lang/regex/issues/244): One can opt into CRLF mode via the `R` flag. e.g., `(?mR:$)` matches just before `\r\n`. - [FEATURE #​259](https://togithub.com/rust-lang/regex/issues/259): Multi-pattern searches with offsets can be done with `regex-automata 0.3`. - [FEATURE #​476](https://togithub.com/rust-lang/regex/issues/476): `std` is now an optional feature. `regex` may be used with only `alloc`. - [FEATURE #​644](https://togithub.com/rust-lang/regex/issues/644): `RegexBuilder::line_terminator` configures how `(?m:^)` and `(?m:$)` behave. - [FEATURE #​675](https://togithub.com/rust-lang/regex/issues/675): Anchored search APIs are now available in `regex-automata 0.3`. - [FEATURE #​824](https://togithub.com/rust-lang/regex/issues/824): Add new `Captures::extract` method for easier capture group access. - [FEATURE #​961](https://togithub.com/rust-lang/regex/issues/961): Add `regex-lite` crate with smaller binary sizes and faster compile times. - [FEATURE #​1022](https://togithub.com/rust-lang/regex/pull/1022): Add `TryFrom` implementations for the `Regex` type. Performance improvements: - [PERF #​68](https://togithub.com/rust-lang/regex/issues/68): Added a one-pass DFA engine for faster capture group matching. - [PERF #​510](https://togithub.com/rust-lang/regex/issues/510): Inner literals are now used to accelerate searches, e.g., `\w+@​\w+` will scan for `@`. - [PERF #​787](https://togithub.com/rust-lang/regex/issues/787), [PERF #​891](https://togithub.com/rust-lang/regex/issues/891): Makes literal optimizations apply to regexes of the form `\b(foo|bar|quux)\b`. (There are many more performance improvements as well, but not all of them have specific issues devoted to them.) Bug fixes: - [BUG #​429](https://togithub.com/rust-lang/regex/issues/429): Fix matching bugs related to `\B` and inconsistencies across internal engines. - [BUG #​517](https://togithub.com/rust-lang/regex/issues/517): Fix matching bug with capture groups. - [BUG #​579](https://togithub.com/rust-lang/regex/issues/579): Fix matching bug with word boundaries. - [BUG #​779](https://togithub.com/rust-lang/regex/issues/779): Fix bug where some regexes like `(re)+` were not equivalent to `(re)(re)*`. - [BUG #​850](https://togithub.com/rust-lang/regex/issues/850): Fix matching bug inconsistency between NFA and DFA engines. - [BUG #​921](https://togithub.com/rust-lang/regex/issues/921): Fix matching bug where literal extraction got confused by `$`. - [BUG #​976](https://togithub.com/rust-lang/regex/issues/976): Add documentation to replacement routines about dealing with fallibility. - [BUG #​1002](https://togithub.com/rust-lang/regex/issues/1002): Use corpus rejection in fuzz testing. ### [`v1.8.4`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#184-2023-06-05) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.8.3...1.8.4) \================== This is a patch release that fixes a bug where `(?-u:\B)` was allowed in Unicode regexes, despite the fact that the current matching engines can report match offsets between the code units of a single UTF-8 encoded codepoint. That in turn means that match offsets that split a codepoint could be reported, which in turn results in panicking when one uses them to slice a `&str`. This bug occurred in the transition to `regex 1.8` because the underlying syntactical error that prevented this regex from compiling was intentionally removed. That's because `(?-u:\B)` will be permitted in Unicode regexes in `regex 1.9`, but the matching engines will guarantee to never report match offsets that split a codepoint. When the underlying syntactical error was removed, no code was added to ensure that `(?-u:\B)` didn't compile in the `regex 1.8` transition release. This release, `regex 1.8.4`, adds that code such that `Regex::new(r"(?-u:\B)")` returns to the `regex <1.8` behavior of not compiling. (A `bytes::Regex` can still of course compile it.) Bug fixes: - [BUG #​1006](https://togithub.com/rust-lang/regex/issues/1006): Fix a bug where `(?-u:\B)` was allowed in Unicode regexes, and in turn could lead to match offsets that split a codepoint in `&str`. ### [`v1.8.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#183-2023-05-25) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.8.2...1.8.3) \================== This is a patch release that fixes a bug where the regex would report a match at every position even when it shouldn't. This could occur in a very small subset of regexes, usually an alternation of simple literals that have particular properties. (See the issue linked below for a more precise description.) Bug fixes: - [BUG #​999](https://togithub.com/rust-lang/regex/issues/999): Fix a bug where a match at every position is erroneously reported. ### [`v1.8.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#182-2023-05-22) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.8.1...1.8.2) \================== This is a patch release that fixes a bug where regex compilation could panic in debug mode for regexes with large counted repetitions. For example, `a{2147483516}{2147483416}{5}` resulted in an integer overflow that wrapped in release mode but panicking in debug mode. Despite the unintended wrapping arithmetic in release mode, it didn't cause any other logical bugs since the errant code was for new analysis that wasn't used yet. Bug fixes: - [BUG #​995](https://togithub.com/rust-lang/regex/issues/995): Fix a bug where regex compilation with large counted repetitions could panic. ### [`v1.8.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#181-2023-04-21) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.8.0...1.8.1) \================== This is a patch release that fixes a bug where a regex match could be reported where none was found. Specifically, the bug occurs when a pattern contains some literal prefixes that could be extracted *and* an optional word boundary in the prefix. Bug fixes: - [BUG #​981](https://togithub.com/rust-lang/regex/issues/981): Fix a bug where a word boundary could interact with prefix literal optimizations and lead to a false positive match. ### [`v1.8.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#180-2023-04-20) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.7.3...1.8.0) \================== This is a sizeable release that will be soon followed by another sizeable release. Both of them will combined close over 40 existing issues and PRs. This first release, despite its size, essentially represents preparatory work for the second release, which will be even bigger. Namely, this release: - Increases the MSRV to Rust 1.60.0, which was released about 1 year ago. - Upgrades its dependency on `aho-corasick` to the recently released 1.0 version. - Upgrades its dependency on `regex-syntax` to the simultaneously released `0.7` version. The changes to `regex-syntax` principally revolve around a rewrite of its literal extraction code and a number of simplifications and optimizations to its high-level intermediate representation (HIR). The second release, which will follow ~shortly after the release above, will contain a soup-to-nuts rewrite of every regex engine. This will be done by bringing [`regex-automata`](https://togithub.com/BurntSushi/regex-automata) into this repository, and then changing the `regex` crate to be nothing but an API shim layer on top of `regex-automata`'s API. These tandem releases are the culmination of about 3 years of on-and-off work that [began in earnest in March 2020](https://togithub.com/rust-lang/regex/issues/656). Because of the scale of changes involved in these releases, I would love to hear about your experience. Especially if you notice undocumented changes in behavior or performance changes (positive *or* negative). Most changes in the first release are listed below. For more details, please see the commit log, which reflects a linear and decently documented history of all changes. New features: - [FEATURE #​501](https://togithub.com/rust-lang/regex/issues/501): Permit many more characters to be escaped, even if they have no significance. More specifically, any ASCII character except for `[0-9A-Za-z<>]` can now be escaped. Also, a new routine, `is_escapeable_character`, has been added to `regex-syntax` to query whether a character is escapeable or not. - [FEATURE #​547](https://togithub.com/rust-lang/regex/issues/547): Add `Regex::captures_at`. This fills a hole in the API, but doesn't otherwise introduce any new expressive power. - [FEATURE #​595](https://togithub.com/rust-lang/regex/issues/595): Capture group names are now Unicode-aware. They can now begin with either a `_` or any "alphabetic" codepoint. After the first codepoint, subsequent codepoints can be any sequence of alpha-numeric codepoints, along with `_`, `.`, `[` and `]`. Note that replacement syntax has not changed. - [FEATURE #​810](https://togithub.com/rust-lang/regex/issues/810): Add `Match::is_empty` and `Match::len` APIs. - [FEATURE #​905](https://togithub.com/rust-lang/regex/issues/905): Add an `impl Default for RegexSet`, with the default being the empty set. - [FEATURE #​908](https://togithub.com/rust-lang/regex/issues/908): A new method, `Regex::static_captures_len`, has been added which returns the number of capture groups in the pattern if and only if every possible match always contains the same number of matching groups. - [FEATURE #​955](https://togithub.com/rust-lang/regex/issues/955): Named captures can now be written as `(?re)` in addition to `(?Pre)`. - FEATURE: `regex-syntax` now supports empty character classes. - FEATURE: `regex-syntax` now has an optional `std` feature. (This will come to `regex` in the second release.) - FEATURE: The `Hir` type in `regex-syntax` has had a number of simplifications made to it. - FEATURE: `regex-syntax` has support for a new `R` flag for enabling CRLF mode. This will be supported in `regex` proper in the second release. - FEATURE: `regex-syntax` now has proper support for "regex that never matches" via `Hir::fail()`. - FEATURE: The `hir::literal` module of `regex-syntax` has been completely re-worked. It now has more documentation, examples and advice. - FEATURE: The `allow_invalid_utf8` option in `regex-syntax` has been renamed to `utf8`, and the meaning of the boolean has been flipped. Performance improvements: - PERF: The upgrade to `aho-corasick 1.0` may improve performance in some cases. It's difficult to characterize exactly which patterns this might impact, but if there are a small number of longish (>= 4 bytes) prefix literals, then it might be faster than before. Bug fixes: - [BUG #​514](https://togithub.com/rust-lang/regex/issues/514): Improve `Debug` impl for `Match` so that it doesn't show the entire haystack. - BUGS [#​516](https://togithub.com/rust-lang/regex/issues/516), [#​731](https://togithub.com/rust-lang/regex/issues/731): Fix a number of issues with printing `Hir` values as regex patterns. - [BUG #​610](https://togithub.com/rust-lang/regex/issues/610): Add explicit example of `foo|bar` in the regex syntax docs. - [BUG #​625](https://togithub.com/rust-lang/regex/issues/625): Clarify that `SetMatches::len` does not (regretably) refer to the number of matches in the set. - [BUG #​660](https://togithub.com/rust-lang/regex/issues/660): Clarify "verbose mode" in regex syntax documentation. - BUG [#​738](https://togithub.com/rust-lang/regex/issues/738), [#​950](https://togithub.com/rust-lang/regex/issues/950): Fix `CaptureLocations::get` so that it never panics. - [BUG #​747](https://togithub.com/rust-lang/regex/issues/747): Clarify documentation for `Regex::shortest_match`. - [BUG #​835](https://togithub.com/rust-lang/regex/issues/835): Fix `\p{Sc}` so that it is equivalent to `\p{Currency_Symbol}`. - [BUG #​846](https://togithub.com/rust-lang/regex/issues/846): Add more clarifying documentation to the `CompiledTooBig` error variant. - [BUG #​854](https://togithub.com/rust-lang/regex/issues/854): Clarify that `regex::Regex` searches as if the haystack is a sequence of Unicode scalar values. - [BUG #​884](https://togithub.com/rust-lang/regex/issues/884): Replace `__Nonexhaustive` variants with `#[non_exhaustive]` attribute. - [BUG #​893](https://togithub.com/rust-lang/regex/pull/893): Optimize case folding since it can get quite slow in some pathological cases. - [BUG #​895](https://togithub.com/rust-lang/regex/issues/895): Reject `(?-u:\W)` in `regex::Regex` APIs. - [BUG #​942](https://togithub.com/rust-lang/regex/issues/942): Add a missing `void` keyword to indicate "no parameters" in C API. - [BUG #​965](https://togithub.com/rust-lang/regex/issues/965): Fix `\p{Lc}` so that it is equivalent to `\p{Cased_Letter}`. - [BUG #​975](https://togithub.com/rust-lang/regex/issues/975): Clarify documentation for `\pX` syntax. ### [`v1.7.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#173-2023-03-24) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.7.2...1.7.3) \================== This is a small release that fixes a bug in `Regex::shortest_match_at` that could cause it to panic, even when the offset given is valid. Bug fixes: - [BUG #​969](https://togithub.com/rust-lang/regex/issues/969): Fix a bug in how the reverse DFA was called for `Regex::shortest_match_at`. ### [`v1.7.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#172-2023-03-21) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.7.1...1.7.2) \================== This is a small release that fixes a failing test on FreeBSD. Bug fixes: - [BUG #​967](https://togithub.com/rust-lang/regex/issues/967): Fix "no stack overflow" test which can fail due to the small stack size. ### [`v1.7.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#171-2023-01-09) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.7.0...1.7.1) \================== This release was done principally to try and fix the doc.rs rendering for the regex crate. Performance improvements: - [PERF #​930](https://togithub.com/rust-lang/regex/pull/930): Optimize `replacen`. This also applies to `replace`, but not `replace_all`. Bug fixes: - [BUG #​945](https://togithub.com/rust-lang/regex/issues/945): Maybe fix rustdoc rendering by just bumping a new release? ### [`v1.7.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#170-2022-11-05) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.6.0...1.7.0) \================== This release principally includes an upgrade to Unicode 15. New features: - [FEATURE #​832](https://togithub.com/rust-lang/regex/issues/916): Upgrade to Unicode 15. ### [`v1.6.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#160-2022-07-05) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.5.6...1.6.0) \================== This release principally includes an upgrade to Unicode 14. New features: - [FEATURE #​832](https://togithub.com/rust-lang/regex/pull/832): Clarify that `Captures::len` includes all groups, not just matching groups. - [FEATURE #​857](https://togithub.com/rust-lang/regex/pull/857): Add an `ExactSizeIterator` impl for `SubCaptureMatches`. - [FEATURE #​861](https://togithub.com/rust-lang/regex/pull/861): Improve `RegexSet` documentation examples. - [FEATURE #​877](https://togithub.com/rust-lang/regex/issues/877): Upgrade to Unicode 14. Bug fixes: - [BUG #​792](https://togithub.com/rust-lang/regex/issues/792): Fix error message rendering bug. ### [`v1.5.6`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#156-2022-05-20) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.5.5...1.5.6) \================== This release includes a few bug fixes, including a bug that produced incorrect matches when a non-greedy `?` operator was used. - [BUG #​680](https://togithub.com/rust-lang/regex/issues/680): Fixes a bug where `[[:alnum:][:^ascii:]]` dropped `[:alnum:]` from the class. - [BUG #​859](https://togithub.com/rust-lang/regex/issues/859): Fixes a bug where `Hir::is_match_empty` returned `false` for `\b`. - [BUG #​862](https://togithub.com/rust-lang/regex/issues/862): Fixes a bug where 'ab??' matches 'ab' instead of 'a' in 'ab'. ### [`v1.5.5`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#155-2022-03-08) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.5.4...1.5.5) \================== This releases fixes a security bug in the regex compiler. This bug permits a vector for a denial-of-service attack in cases where the regex being compiled is untrusted. There are no known problems where the regex is itself trusted, including in cases of untrusted haystacks. - [SECURITY #GHSA-m5pq-gvj9-9vr8](https://togithub.com/rust-lang/regex/security/advisories/GHSA-m5pq-gvj9-9vr8): Fixes a bug in the regex compiler where empty sub-expressions subverted the existing mitigations in place to enforce a size limit on compiled regexes. The Rust Security Response WG published an advisory about this: https://groups.google.com/g/rustlang-security-announcements/c/NcNNL1Jq7Yw ### [`v1.5.4`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#154-2021-05-06) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.5.3...1.5.4) \================== This release fixes another compilation failure when building regex. This time, the fix is for when the `pattern` feature is enabled, which only works on nightly Rust. CI has been updated to test this case. - [BUG #​772](https://togithub.com/rust-lang/regex/pull/772): Fix build when `pattern` feature is enabled. ### [`v1.5.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#153-2021-05-01) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.5.2...1.5.3) \================== This releases fixes a bug when building regex with only the `unicode-perl` feature. It turns out that while CI was building this configuration, it wasn't actually failing the overall build on a failed compilation. - [BUG #​769](https://togithub.com/rust-lang/regex/issues/769): Fix build in `regex-syntax` when only the `unicode-perl` feature is enabled. ### [`v1.5.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#152-2021-05-01) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.5.1...1.5.2) \================== This release fixes a performance bug when Unicode word boundaries are used. Namely, for certain regexes on certain inputs, it's possible for the lazy DFA to stop searching (causing a fallback to a slower engine) when it doesn't actually need to. [PR #​768](https://togithub.com/rust-lang/regex/pull/768) fixes the bug, which was originally reported in [ripgrep#1860](https://togithub.com/BurntSushi/ripgrep/issues/1860). ### [`v1.5.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#151-2021-04-30) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.5.0...1.5.1) \================== This is a patch release that fixes a compilation error when the `perf-literal` feature is not enabled. ### [`v1.5.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#150-2021-04-30) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.4.6...1.5.0) \================== This release primarily updates to Rust 2018 (finally) and bumps the MSRV to Rust 1.41 (from Rust 1.28). Rust 1.41 was chosen because it's still reasonably old, and is what's in Debian stable at the time of writing. This release also drops this crate's own bespoke substring search algorithms in favor of a new [`memmem` implementation provided by the `memchr` crate](https://docs.rs/memchr/2.4.0/memchr/memmem/index.html). This will change the performance profile of some regexes, sometimes getting a little worse, and hopefully more frequently, getting a lot better. Please report any serious performance regressions if you find them. ### [`v1.4.6`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#146-2021-04-22) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.4.5...1.4.6) \================== This is a small patch release that fixes the compiler's size check on how much heap memory a regex uses. Previously, the compiler did not account for the heap usage of Unicode character classes. Now it does. It's possible that this may make some regexes fail to compile that previously did compile. If that happens, please file an issue. - [BUG OSS-fuzz#33579](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33579): Some regexes can use more heap memory than one would expect. ### [`v1.4.5`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#145-2021-03-14) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.4.4...1.4.5) \================== This is a small patch release that fixes a regression in the size of a `Regex` in the 1.4.4 release. Prior to 1.4.4, a `Regex` was 552 bytes. In the 1.4.4 release, it was 856 bytes due to internal changes. In this release, a `Regex` is now 16 bytes. In general, the size of a `Regex` was never something that was on my radar, but this increased size in the 1.4.4 release seems to have crossed a threshold and resulted in stack overflows in some programs. - [BUG #​750](https://togithub.com/rust-lang/regex/pull/750): Fixes stack overflows seemingly caused by a large `Regex` size by decreasing its size. ### [`v1.4.4`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#144-2021-03-11) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.4.3...1.4.4) \================== This is a small patch release that contains some bug fixes. Notably, it also drops the `thread_local` (and `lazy_static`, via transitivity) dependencies. Bug fixes: - [BUG #​362](https://togithub.com/rust-lang/regex/pull/362): Memory leaks caused by an internal caching strategy should now be fixed. - [BUG #​576](https://togithub.com/rust-lang/regex/pull/576): All regex types now implement `UnwindSafe` and `RefUnwindSafe`. - [BUG #​728](https://togithub.com/rust-lang/regex/pull/749): Add missing `Replacer` impls for `Vec`, `String`, `Cow`, etc. ### [`v1.4.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#143-2021-01-08) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.4.2...1.4.3) \================== This is a small patch release that adds some missing standard trait implementations for some types in the public API. Bug fixes: - [BUG #​734](https://togithub.com/rust-lang/regex/pull/734): Add `FusedIterator` and `ExactSizeIterator` impls to iterator types. - [BUG #​735](https://togithub.com/rust-lang/regex/pull/735): Add missing `Debug` impls to public API types. ### [`v1.4.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#142-2020-11-01) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.4.1...1.4.2) \================== This is a small bug fix release that bans `\P{any}`. We previously banned empty classes like `[^\w\W]`, but missed the `\P{any}` case. In the future, we hope to permit empty classes. - [BUG #​722](https://togithub.com/rust-lang/regex/issues/722): Ban `\P{any}` to avoid a panic in the regex compiler. Found by OSS-Fuzz. ### [`v1.4.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#141-2020-10-13) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.4.0...1.4.1) \================== This is a small bug fix release that makes `\p{cf}` work. Previously, it would report "property not found" even though `cf` is a valid abbreviation for the `Format` general category. - [BUG #​719](https://togithub.com/rust-lang/regex/issues/719): Fixes bug that prevented `\p{cf}` from working. ### [`v1.4.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#140-2020-10-11) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.9...1.4.0) \================== This releases has a few minor documentation fixes as well as some very minor API additions. The MSRV remains at Rust 1.28 for now, but this is intended to increase to at least Rust 1.41.1 soon. This release also adds support for OSS-Fuzz. Kudos to [@​DavidKorczynski](https://togithub.com/DavidKorczynski) for doing the heavy lifting for that! New features: - [FEATURE #​649](https://togithub.com/rust-lang/regex/issues/649): Support `[`, `]` and `.` in capture group names. - [FEATURE #​687](https://togithub.com/rust-lang/regex/issues/687): Add `is_empty` predicate to `RegexSet`. - [FEATURE #​689](https://togithub.com/rust-lang/regex/issues/689): Implement `Clone` for `SubCaptureMatches`. - [FEATURE #​715](https://togithub.com/rust-lang/regex/issues/715): Add `empty` constructor to `RegexSet` for convenience. Bug fixes: - [BUG #​694](https://togithub.com/rust-lang/regex/issues/694): Fix doc example for `Replacer::replace_append`. - [BUG #​698](https://togithub.com/rust-lang/regex/issues/698): Clarify docs for `s` flag when using a `bytes::Regex`. - [BUG #​711](https://togithub.com/rust-lang/regex/issues/711): Clarify `is_match` docs to indicate that it can match anywhere in string. ### [`v1.3.9`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#139-2020-05-28) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.8...1.3.9) \================== This release fixes a MSRV (Minimum Support Rust Version) regression in the 1.3.8 release. Namely, while 1.3.8 compiles on Rust 1.28, it actually does not compile on other Rust versions, such as Rust 1.39. Bug fixes: - [BUG #​685](https://togithub.com/rust-lang/regex/issues/685): Remove use of `doc_comment` crate, which cannot be used before Rust 1.43. ### [`v1.3.8`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#138-2020-05-28) [Compare Source](https://togithub.com/rust-lang/regex/compare/regex-1.3.7...1.3.8) \================== This release contains a couple of important bug fixes driven by better support for empty-subexpressions in regexes. For example, regexes like `b|` are now allowed. Major thanks to [@​sliquister](https://togithub.com/sliquister) for implementing support for this in [#​677](https://togithub.com/rust-lang/regex/pull/677). Bug fixes: - [BUG #​523](https://togithub.com/rust-lang/regex/pull/523): Add note to documentation that spaces can be escaped in `x` mode. - [BUG #​524](https://togithub.com/rust-lang/regex/issues/524): Add support for empty sub-expressions, including empty alternations. - [BUG #​659](https://togithub.com/rust-lang/regex/issues/659): Fix match bug caused by an empty sub-expression miscompilation. ### [`v1.3.7`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#137-2020-04-17) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.6...regex-1.3.7) \================== This release contains a small bug fix that fixes how `regex` forwards crate features to `regex-syntax`. In particular, this will reduce recompilations in some cases. Bug fixes: - [BUG #​665](https://togithub.com/rust-lang/regex/pull/665): Fix feature forwarding to `regex-syntax`. ### [`v1.3.6`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#136-2020-03-24) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.5...1.3.6) \================== This release contains a sizable (~30%) performance improvement when compiling some kinds of large regular expressions. Performance improvements: - [PERF #​657](https://togithub.com/rust-lang/regex/pull/657): Improvement performance of compiling large regular expressions. ### [`v1.3.5`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#135-2020-03-12) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.4...1.3.5) \================== This release updates this crate to Unicode 13. New features: - [FEATURE #​653](https://togithub.com/rust-lang/regex/pull/653): Update `regex-syntax` to Unicode 13. ### [`v1.3.4`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#134-2020-01-30) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.3...1.3.4) \================== This is a small bug fix release that fixes a bug related to the scoping of flags in a regex. Namely, before this fix, a regex like `((?i)a)b)` would match `aB` despite the fact that `b` should not be matched case insensitively. Bug fixes: - [BUG #​640](https://togithub.com/rust-lang/regex/issues/640): Fix bug related to the scoping of flags in a regex. ### [`v1.3.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#133-2020-01-09) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.2...1.3.3) \================== This is a small maintenance release that upgrades the dependency on `thread_local` from `0.3` to `1.0`. The minimum supported Rust version remains at Rust 1.28. ### [`v1.3.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#132-2020-01-09) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.1...1.3.2) \================== This is a small maintenance release with some house cleaning and bug fixes. New features: - [FEATURE #​631](https://togithub.com/rust-lang/regex/issues/631): Add a `Match::range` method an a `From for Range` impl. Bug fixes: - [BUG #​521](https://togithub.com/rust-lang/regex/issues/521): Corrects `/-/.splitn("a", 2)` to return `["a"]` instead of `["a", ""]`. - [BUG #​594](https://togithub.com/rust-lang/regex/pull/594): Improve error reporting when writing `\p\`. - [BUG #​627](https://togithub.com/rust-lang/regex/issues/627): Corrects `/-/.split("a-")` to return `["a", ""]` instead of `["a"]`. - [BUG #​633](https://togithub.com/rust-lang/regex/pull/633): Squash deprecation warnings for the `std::error::Error::description` method. ### [`v1.3.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#131-2019-09-04) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.3.0...1.3.1) \================== This is a maintenance release with no changes in order to try to work-around a [docs.rs/Cargo issue](https://togithub.com/rust-lang/docs.rs/issues/400). ### [`v1.3.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#130-2019-09-03) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.2.1...1.3.0) \================== This release adds a plethora of new crate features that permit users of regex to shrink its size considerably, in exchange for giving up either functionality (such as Unicode support) or runtime performance. When all such features are disabled, the dependency tree for `regex` shrinks to exactly 1 crate (`regex-syntax`). More information about the new crate features can be [found in the docs](https://docs.rs/regex/\*/#crate-features). Note that while this is a new minor version release, the minimum supported Rust version for this crate remains at `1.28.0`. New features: - [FEATURE #​474](https://togithub.com/rust-lang/regex/issues/474): The `use_std` feature has been deprecated in favor of the `std` feature. The `use_std` feature will be removed in regex 2. Until then, `use_std` will remain as an alias for the `std` feature. - [FEATURE #​583](https://togithub.com/rust-lang/regex/issues/583): Add a substantial number of crate features shrinking `regex`. ### [`v1.2.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#121-2019-08-03) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.2.0...1.2.1) \================== This release does a bit of house cleaning. Namely: - This repository is now using rustfmt. - License headers have been removed from all files, in following suit with the Rust project. - Teddy has been removed from the `regex` crate, and is now part of the `aho-corasick` crate. [See `aho-corasick`'s new `packed` sub-module for details](https://docs.rs/aho-corasick/0.7.6/aho_corasick/packed/index.html). - The `utf8-ranges` crate has been deprecated, with its functionality moving into the [`utf8` sub-module of `regex-syntax`](https://docs.rs/regex-syntax/0.6.11/regex_syntax/utf8/index.html). - The `ucd-util` dependency has been dropped, in favor of implementing what little we need inside of `regex-syntax` itself. In general, this is part of an ongoing (long term) effort to make optimizations in the regex engine easier to reason about. The current code is too convoluted and thus it is very easy to introduce new bugs. This simplification effort is the primary motivation behind re-working the `aho-corasick` crate to not only bundle algorithms like Teddy, but to also provide regex-like match semantics automatically. Moving forward, the plan is to join up with the `bstr` and `regex-automata` crates, with the former providing more sophisticated substring search algorithms (thereby deleting existing code in `regex`) and the latter providing ahead-of-time compiled DFAs for cases where they are inexpensive to compute. ### [`v1.2.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#120-2019-07-20) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.9...1.2.0) \================== This release updates regex's minimum supported Rust version to 1.28, which was release almost 1 year ago. This release also updates regex's Unicode data tables to 12.1.0. ### [`v1.1.9`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#119-2019-07-06) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.8...1.1.9) \================== This release contains a bug fix that caused regex's tests to fail, due to a dependency on an unreleased behavior in regex-syntax. - [BUG #​593](https://togithub.com/rust-lang/regex/issues/593): Move an integration-style test on error messages into regex-syntax. ### [`v1.1.8`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#118-2019-07-04) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.7...1.1.8) \================== This release contains a few small internal refactorings. One of which fixes an instance of undefined behavior in a part of the SIMD code. Bug fixes: - [BUG #​545](https://togithub.com/rust-lang/regex/issues/545): Improves error messages when a repetition operator is used without a number. - [BUG #​588](https://togithub.com/rust-lang/regex/issues/588): Removes use of a repr(Rust) union used for type punning in the Teddy matcher. - [BUG #​591](https://togithub.com/rust-lang/regex/issues/591): Update docs for running benchmarks and improve failure modes. ### [`v1.1.7`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#117-2019-06-09) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.6...1.1.7) \================== This release fixes up a few warnings as a result of recent deprecations. ### [`v1.1.6`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#116-2019-04-16) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.5...1.1.6) \================== This release fixes a regression introduced by a bug fix (for [BUG #​557](https://togithub.com/rust-lang/regex/issues/557)) which could cause the regex engine to enter an infinite loop. This bug was originally [reported against ripgrep](https://togithub.com/BurntSushi/ripgrep/issues/1247). ### [`v1.1.5`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#115-2019-04-01) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.4...1.1.5) \================== This release fixes a bug in regex's dependency specification where it requires a newer version of regex-syntax, but this wasn't communicated correctly in the Cargo.toml. This would have been caught by a minimal version check, but this check was disabled because the `rand` crate itself advertises incorrect dependency specifications. Bug fixes: - [BUG #​570](https://togithub.com/rust-lang/regex/pull/570): Fix regex-syntax minimal version. ### [`v1.1.4`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#114-2019-03-31) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.3...1.1.4) \================== This release fixes a backwards compatibility regression where Regex was no longer UnwindSafe. This was caused by the upgrade to aho-corasick 0.7, whose AhoCorasick type was itself not UnwindSafe. This has been fixed in aho-corasick 0.7.4, which we now require. Bug fixes: - [BUG #​568](https://togithub.com/rust-lang/regex/pull/568): Fix an API regression where Regex was no longer UnwindSafe. ### [`v1.1.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#113-2019-03-30) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.2...1.1.3) \================== This releases fixes a few bugs and adds a performance improvement when a regex is a simple alternation of literals. Performance improvements: - [OPT #​566](https://togithub.com/rust-lang/regex/pull/566): Upgrades `aho-corasick` to 0.7 and uses it for `foo|bar|...|quux` regexes. Bug fixes: - [BUG #​527](https://togithub.com/rust-lang/regex/issues/527): Fix a bug where the parser would panic on patterns like `((?x))`. - [BUG #​555](https://togithub.com/rust-lang/regex/issues/555): Fix a bug where the parser would panic on patterns like `(?m){1,1}`. - [BUG #​557](https://togithub.com/rust-lang/regex/issues/557): Fix a bug where captures could lead to an incorrect match. ### [`v1.1.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#112-2019-02-27) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.1...1.1.2) \================== This release fixes a bug found in the fix introduced in 1.1.1. Bug fixes: - [BUG edf45e6f](https://togithub.com/rust-lang/regex/commit/edf45e6f): Fix bug introduced in reverse suffix literal matcher in the 1.1.1 release. ### [`v1.1.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#111-2019-02-27) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.1.0...1.1.1) \================== This is a small release with one fix for a bug caused by literal optimizations. Bug fixes: - [BUG 661bf53d](https://togithub.com/rust-lang/regex/commit/661bf53d): Fixes a bug in the reverse suffix literal optimization. This was originally reported [against ripgrep](https://togithub.com/BurntSushi/ripgrep/issues/1203). ### [`v1.1.0`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#110-2018-11-30) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.0.6...1.1.0) \================== This is a small release with a couple small enhancements. This release also increases the minimal supported Rust version (MSRV) to 1.24.1 (from 1.20.0). In accordance with this crate's MSRV policy, this release bumps the minor version number. Performance improvements: - [OPT #​511](https://togithub.com/rust-lang/regex/pull/511), [OPT #​540](https://togithub.com/rust-lang/regex/pull/540): Improve lazy DFA construction for large regex sets. New features: - [FEATURE #​538](https://togithub.com/rust-lang/regex/pull/538): Add Emoji and "break" Unicode properties. See [UNICODE.md](UNICODE.md). Bug fixes: - [BUG #​530](https://togithub.com/rust-lang/regex/pull/530): Add Unicode license (for data tables). - Various typo/doc fixups. ### [`v1.0.6`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#106-2018-11-06) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.0.5...1.0.6) \================== This is a small release. Performance improvements: - [OPT #​513](https://togithub.com/rust-lang/regex/pull/513): Improve performance of compiling large Unicode classes by 8-10%. Bug fixes: - [BUG #​533](https://togithub.com/rust-lang/regex/issues/533): Fix definition of `[[:blank:]]` class that regressed in `regex-syntax 0.5`. ### [`v1.0.5`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#105-2018-09-06) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.0.4...1.0.5) \================== This is a small release with an API enhancement. New features: - [FEATURE #​509](https://togithub.com/rust-lang/regex/pull/509): Generalize impls of the `Replacer` trait. ### [`v1.0.4`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#104-2018-08-25) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.0.3...1.0.4) \================== This is a small release that bumps the quickcheck dependency. ### [`v1.0.3`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#103-2018-08-24) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.0.2...1.0.3) \================== This is a small bug fix release. Bug fixes: - [BUG #​504](https://togithub.com/rust-lang/regex/pull/504): Fix for Cargo's "minimal version" support. - [BUG 1e39165f](https://togithub.com/rust-lang/regex/commit/1e39165f): Fix doc examples for byte regexes. ### [`v1.0.2`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#102-2018-07-18) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.0.1...1.0.2) \================== This release exposes some new lower level APIs on `Regex` that permit amortizing allocation and controlling the location at which a search is performed in a more granular way. Most users of the regex crate will not need or want to use these APIs. New features: - [FEATURE #​493](https://togithub.com/rust-lang/regex/pull/493): Add a few lower level APIs for amortizing allocation and more fine grained searching. Bug fixes: - [BUG 3981d2ad](https://togithub.com/rust-lang/regex/commit/3981d2ad): Correct outdated documentation on `RegexBuilder::dot_matches_new_line`. - [BUG 7ebe4ae0](https://togithub.com/rust-lang/regex/commit/7ebe4ae0): Correct outdated documentation on `Parser::allow_invalid_utf8` in the `regex-syntax` crate. - [BUG 24c7770b](https://togithub.com/rust-lang/regex/commit/24c7770b): Fix a bug in the HIR printer where it wouldn't correctly escape meta characters in character classes. ### [`v1.0.1`](https://togithub.com/rust-lang/regex/blob/HEAD/CHANGELOG.md#101-2018-06-19) [Compare Source](https://togithub.com/rust-lang/regex/compare/1.0.0...1.0.1) \================== This release upgrades regex's Unicode tables to Unicode 11, and enables SIMD optimizations automatically on Rust stable (1.27 or newer). New features: - [FEATURE #​486](https://togithub.com/rust-lang/regex/pull/486): Implement `size_hint` on `RegexSet` match iterators. - [FEATURE #​488](https://togithub.com/rust-lang/regex/pull/488): Update Unicode tables for Unicode 11. - [FEATURE #​490](https://togithub.com/rust-lang/regex/pull/490): SIMD optimizations are now enabled automatically in Rust stable, for versions 1.27 and up. No compilation flags or features need to be set. CPU support SIMD is detected automatically at runtime. Bug fixes: - [BUG #​482](https://togithub.com/rust-lang/regex/pull/482): Present a better compilation error when the `use_std` feature isn't used.

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codecov[bot] commented 6 months ago

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.89%. Comparing base (bf74fd9) to head (4bfaa48). Report is 2 commits behind head on main.

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