[Bug libstdc++/102447] std::regex incorrectly accepts invalid bracket expression

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102447

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Not a bug, this is the expected behaviour for ECMAScript regular expressions.

Using one of the POSIX syntax options will cause regex_error to be thrown.