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Re: modern regexes in emacs

From: Stefan Monnier
Subject: Re: modern regexes in emacs
Date: Sun, 17 Feb 2019 19:38:22 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

> This would be really trivial to do when we'll have a function that
> will convert an extended regexp string into rx form like what
> the xr package does, i.e. like the function ‘xr’, a new function
> ‘exr’ could convert an extended regexp - as opposed to basic regexp
> as noted in https://www.regular-expressions.info/gnu.html

FWIW, lex.el's lex-parse-re supports both ERE and BRE syntaxes.
It's more a "proof of concept" for lex.el so it's currently not as
thorough as xr.el is.


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