Subject: Re: bug#36167: [PATCH] Replace manually crafted hex regexes with [[:xdigit:]]

From: Eli Zaretskii <[email-masked]>
Date: Tue, 11 Jun 2019 20:34:44 +0300

> Date: Tue, 11 Jun 2019 10:19:17 -0700 (PDT)
> From: Drew Adams <[email-masked]>
> Cc: [email-masked], [email-masked], [email-masked],
>         [email-masked]
> 
> > Isn't it clear already?
> 
> I meant [:xdigit:], not [:digit:], in my reply.  Sorry for
> the typo.

:xdigit: is also clearly documented:

  ‘[:xdigit:]’
       This matches the hexadecimal digits: ‘0’ through ‘9’, ‘a’ through
       ‘f’ and ‘A’ through ‘F’.