http://manpagez.com/man/3/regex/

[tomas@tuxteam.de]

On Sun, May 23, 2021 at 09:43:01AM -0500, Peng Yu wrote:
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> That was not my question. I am asking whether libc regex support
> REG_ENHANCED or not.

Sigh. It's all in the ref I gave you. It has to support
REG_EXTENDED because it supports POSIX. You have to compile
it with POSIX support.

Please, read at least the refs given to you if someone does
the work of looking things up.

Cheers
 - t
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