[Bug 265480] std::regex constructor throwing an exception at backslash-underscore but not other invalid escapes

[email protected] Wed, 14 May 2025 04:49:49 +0000

Newsgroups	gmane.os.freebsd.devel.standards
Message-ID	<[email protected]/bugzilla/>

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265480

Jaime Corchado <[email protected]> changed:

           What    |Removed                     |Added
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                 CC|                            |[email protected]

--- Comment #2 from Jaime Corchado <[email protected]> ---
(In reply to Milo Cooper from comment #0)
libcxx basic_regex makes a special case for a leading underscore (_).


Commit b4c64ad90b81d2a779786b7edb4c5c6dd28cc57d removed the flag to suppress a
regex exception. See line 3961.

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