fix(deps): update rust crate regex to 1.8.4 #221
Merged
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This PR contains the following updates:
1.8.3
->1.8.4
Release Notes
rust-lang/regex
v1.8.4
Compare Source
==================
This is a patch release that fixes a bug where
(?-u:\B)
was allowed inUnicode 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 underlyingsyntactical error that prevented this regex from compiling was intentionally
removed. That's because
(?-u:\B)
will be permitted in Unicode regexes inregex 1.9
, but the matching engines will guarantee to never report matchoffsets that split a codepoint. When the underlying syntactical error was
removed, no code was added to ensure that
(?-u:\B)
didn't compile in theregex 1.8
transition release. This release,regex 1.8.4
, adds that codesuch that
Regex::new(r"(?-u:\B)")
returns to theregex <1.8
behavior ofnot compiling. (A
bytes::Regex
can still of course compile it.)Bug fixes:
Fix a bug where
(?-u:\B)
was allowed in Unicode regexes, and in turn couldlead to match offsets that split a codepoint in
&str
.Configuration
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