From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: Off Topic
Date: Thu, 24 May 2018 16:36:59 -0400 [thread overview]
Message-ID: <jwvbmd4kd7z.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 20180524195755.GB4035@ACM
> Yes. But... rx.el needs to be _learnt_. You cannot, at least not yet,
> learn rx.el as an alternative to normal string regexp syntax, because
> the string syntax is so common that it _must_ be learnt. So rx.el is an
> optional extra. It seems unlikely that its use could spread beyond
> Emacs, so the effort learning rx.el is going to yield special purpose
> knowledge only.
Very good point.
For me the problem is just that rx.el regexps are too verbose.
>> I like rx.el because its expressions can be navigated structurally, using
>> ‘backward-up-list’, ‘forward-sexp’, and the like. The same commands work on
>> regular regular expressions only if they have not been broken up for
>> readability.
> What would be useful would be a function to turn normal regexps into
> rx.el syntax.
http://elpa.gnu.org/packages/lex.html provides the function
`lex-parse-re` for that.
Stefan
next prev parent reply other threads:[~2018-05-24 20:36 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-21 11:18 bug#31544: Emacs 26.1 rc-1 Texinfo View fails to italicize all 6 lines in paragraph Van L
2018-05-21 16:23 ` Eli Zaretskii
2018-05-21 23:45 ` Van L
2018-05-22 2:13 ` Richard Stallman
2018-05-22 2:40 ` Van L
2018-05-22 4:32 ` Eli Zaretskii
2018-05-22 6:58 ` Off Topic (was: bug#31544) Van L
2018-05-23 3:24 ` Richard Stallman
2018-05-23 3:44 ` Van L
2018-05-23 11:06 ` Noam Postavsky
2018-05-24 2:48 ` Richard Stallman
2018-05-24 9:03 ` Off Topic Robert Pluim
2018-05-24 15:20 ` Eli Zaretskii
2018-05-24 15:41 ` Robert Pluim
2018-05-24 17:07 ` Eli Zaretskii
2018-05-25 2:59 ` Richard Stallman
2018-05-24 16:35 ` Off Topic (was: bug#31544) Alan Mackenzie
2018-05-24 16:53 ` Yuri Khan
2018-05-24 19:57 ` Alan Mackenzie
2018-05-24 20:24 ` Noam Postavsky
2018-05-24 20:36 ` Stefan Monnier [this message]
2018-05-25 3:01 ` Richard Stallman
2018-05-25 2:59 ` Richard Stallman
2018-05-24 17:01 ` Eli Zaretskii
2018-05-28 22:42 ` bug#31544: Emacs 26.1 rc-1 Texinfo View fails to italicize all 6 lines in paragraph Noam Postavsky
2022-01-23 13:57 ` bug#31544: texinfo-mode fails to consistently fontify multiline @i{italic text} Lars Ingebrigtsen
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