On Wed, Sep 08, 2021 at 11:11:00PM +0200, Stefan Kangas wrote:
> Philip Kaludercic <philipk@posteo.net> writes:
> 
> > The reason I use rx in a lot of my scripts is that I can add comments,
> > explanations, formatting, etc. when it gets complicated. I think that is
> > a significant advantage, that even raw strings wouldn't have (unless a
> > comment syntax were to be added into the regular expression language,
> > which is unlikely).
> 
> Perl has this:
> 
>     perl -e '$foo = "bar"; print "yes" if $foo =~ / bar # comment /x;'

Yes, Perl's "extended" regexps. They are very handy for when the concise
language is too cunfusing.

I'd tend to the position that this "ecological niche" is already (very
well) covered by `rx'. But I am aware that this is a very subjective
topic :)

Cheers
 - t