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.
[FEATURE(regex-automata) #1031](rust-lang/regex#1031):
DFAs now have a start_state method that doesn't use an Input.
Performance improvements:
[PERF #1051](rust-lang/regex#1051):
Unicode character class operations have been optimized in regex-syntax.
[PERF #1090](rust-lang/regex#1090):
Make patterns containing lots of literal characters use less memory.
Bug fixes:
[BUG #1046](rust-lang/regex#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](rust-lang/regex#1047):
Fix panics that can occur in Ast->Hir translation (not reachable from regex
crate).
Most Recent Ignore Conditions Applied to This Pull Request
| Dependency Name | Ignore Conditions |
| --- | --- |
| regex | [< 1.10, > 1.9.4] |
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Bumps regex from 1.9.4 to 1.10.0.
Changelog
Sourced from regex's changelog.
... (truncated)
Commits
2cbd342
1.10.026d8e3a
deps: bump regex-automata to 0.4.0dc0d79e
regex-automata-0.4.068b7018
deps: bump regex-syntax to 0.8.0ea8f6c0
regex-syntax-0.8.0aabbfe0
regex-lite-0.1.12c44e2a
fuzz: add regression test for AST roundtripping3feff9e
automata: improve sparse DFA validation914198f
regex: reject large patterns when fuzzingfc9a11a
lite: reduce size limit to avoid timeoutsMost Recent Ignore Conditions Applied to This Pull Request
| Dependency Name | Ignore Conditions | | --- | --- | | regex | [< 1.10, > 1.9.4] |Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
.Dependabot commands and options
You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot show