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That was not my question. I am asking whether libc regex support
REG_ENHANCED or not. It looks like it doesn't. If not, is there an
alternative package that support it across various platform?

- --
Regards,
Peng

On 2021-05-23 at 14:05, tomas@tuxteam.de wrote:
> On Sun, May 23, 2021 at 07:38:40AM -0500, Peng Yu via Libc-help wrote:
> > http://manpagez.com/man/3/regex/
>
> Better go to the right docs:
>
>
https://www.gnu.org/software/libc/manual/html_node/Flags-for-POSIX-Regexps.html

>
> > BSD regex supports REG_ENHANCED. But I don't find its support in
> > glibc. Is there a way to support REG_ENHANCED in glibc? Or there is an
> > alternative package that supports REG_ENHANCED across various
> > platforms?
>
> glibc supports POSIX supports REG_EXTENDED :)
>
> Cheers
>  - t
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