https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63227
Tim Shen <timshen at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |timshen at gcc dot gnu.org
--- Comment #1 from Tim Shen <timshen at gcc dot gnu.org> ---
Assertions "\\A" and "\\z" are not supported by C++11 regex's default syntax
regex_constants::ECMAScript.
Using
const NS::regex e("\\b(\\d{3,4})[- ]?(\\d{4})[- ]?(\\d{4})[- ]?(\\d{4})\\b");
can get expected result.