While this release includes some breaking changes, most users of older versions
of the regex library should be able to migrate to 1.0 by simply bumping the
version number. The important changes are as follows:
We adopt Rust 1.20 as the new minimum supported version of Rust for regex.
We also tentativley adopt a policy that permits bumping the minimum supported
version of Rust in minor version releases of regex, but no patch releases.
That is, with respect to semver, we do not strictly consider bumping the
minimum version of Rust to be a breaking change, but adopt a conservative
stance as a compromise.
Octal syntax in regular expressions has been disabled by default. This
permits better error messages that inform users that backreferences aren't
available. Octal syntax can be re-enabled via the corresponding option on
RegexBuilder.
(?-u:\B) is no longer allowed in Unicode regexes since it can match at
invalid UTF-8 code unit boundaries. (?-u:\b) is still allowed in Unicode
regexes.
The From<regex_syntax::Error> impl has been removed. This formally removes
the public dependency on regex-syntax.
A new feature, use_std, has been added and enabled by default. Disabling
the feature will result in a compilation error. In the future, this may
permit us to support no_std environments (w/ alloc) in a backwards
compatible way.
This release includes a ground-up rewrite of the regex-syntax crate, which has
been in development for over a year.
New features:
Error messages for invalid regexes have been greatly improved. You get these
automatically; you don't need to do anything. In addition to better
formatting, error messages will now explicitly call out the use of look
around. When regex 1.0 is released, this will happen for backreferences as
well.
Full support for intersection, difference and symmetric difference of
character classes. These can be used via the &&, -- and ~~ binary
operators within classes.
A Unicode Level 1 conformat implementation of \p{..} character classes.
Things like \p{scx:Hira}, \p{age:3.2} or \p{Changes_When_Casefolded}
now work. All property name and value aliases are supported, and properties
are selected via loose matching. e.g., \p{Greek} is the same as
\p{G r E e K}.
A new UNICODE.md document has been added to this repository that
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.
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.
1.3.2 (2020-01-09)
This is a small maintenance release with some house cleaning and bug fixes.
New features:
[FEATURE #631](rust-lang/regex#631):
Add a Match::range method an a From<Match> for Range impl.
Bug fixes:
[BUG #521](rust-lang/regex#521):
Corrects /-/.splitn("a", 2) to return ["a"] instead of ["a", ""].
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Bumps regex from 0.1.80 to 1.3.5.
Release notes
Sourced from regex's releases.
Changelog
Sourced from regex's changelog.
Commits
6ed3857
1.3.57174f15
deps: update to regex-syntax 0.6.174656440
regex-syntax-0.6.17da67fc5
changelog: 1.3.588b3fa5
syntax: update to Unicode 13934e6e7
debug: add --quiet flagdb67087
regex-syntax-0.6.16c187cbf
syntax: add ClassUnicode::is_all_ascii17304c5
regex-syntax-0.6.1549b9a34
syntax/doc: fix docs for try_case_fold_simpleDependabot 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
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