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Re: replacing phrases: matching line feeds in regular expressions, since
From: |
Eric Abrahamsen |
Subject: |
Re: replacing phrases: matching line feeds in regular expressions, since \s- doesn't work |
Date: |
Sun, 19 Feb 2012 08:15:57 +0800 |
User-agent: |
Gnus/5.130004 (Ma Gnus v0.4) Emacs/24.0.93 (gnu/linux) |
On Sun, Feb 19 2012, Steve Petersen wrote:
> Hi emacs gurus,
>
> [I accidentally posted this first to the main emacs forum, pardon my
> newbness.]
>
> I've spent hours scouring the web trying to solve what should be a
> simple problem. I appreciate any help!
>
> I want to replace a three-word phrase with an acronym. Should be
> easy, right? But of course I want to match across lines. From what
> I read '\s-' should match line feeds, but it doesn't. The closest
> I've gotten to matching across lines is using 'foo[\s-^J]+bar' (using
> ^Q to insert ^J literally), but for some reason that doesn't match
> 'foo bar' on the same line! I'm out of ideas - what's going on?
There are also char classes, which gives you [:space:], matching both
space and tab (it would be really nice to have one class that matches
space, tab and newline...). So you could do:
"foo[[:space:]^J]bar[[:space:]^J]baz[[:space:]^J]?"
That seems to work, though it's still ugly.
--
GNU Emacs 24.0.93.1 (i686-pc-linux-gnu, GTK+ Version 2.24.10)
of 2012-02-16 on pellet