Re: modern regexes in emacs

[Eli Zaretskii]

> Date: Fri, 15 Feb 2019 17:54:05 +0000
> From: Alan Mackenzie <address@hidden>
> Cc: Mattias Engdegård <address@hidden>, address@hidden,
>       address@hidden, Philippe Vaucher <address@hidden>,
>       address@hidden, Eli Zaretskii <address@hidden>
> 
> > Anyway, I recommend Eli's approach. We create a parallel set of
> > modernized syntax functions, and people can slowly adopt them.
> 
> I suggest we retain our current regexp notation, together with compatible
> tools, as the sole way of writing regexps in Emacs.  This notation is not
> all that bad, and it is thoroughly documented and well tested.  It's the
> approach which will cause the least confusion.  It works.

I proposed to have a separate set of functions that will accept PCRE
syntax.  That would allow everyone to have what they want: you to use
the "classic" regexps, and those who want PCRE to have that.  Where's
the problem with that?