Sanjay Marreddi d83a3ea529

[libc++] Fix std::regex_search to match $ alone with match_default flag (#78845) ...

Using std::regex_search with the regex_constant match_default and a
simple regex pattern `$` is expected to match general strings such as
_"a", "ab", "abc"..._ at `[last, last)` positions. But, the current
implementation fails to do so.

Fixes #75042

2024-01-22 14:15:05 -05:00

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re.err

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re.matchflag

[libc++] Fix std::regex_search to match $ alone with match_default flag (#78845)

2024-01-22 14:15:05 -05:00

re.synopt

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