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From: Suvayu Ali <fatkasuvayu+linux@gmail.com>
To: Nicolas Richard <theonewiththeevillook@yahoo.fr>
Cc: Emacs help <help-gnu-emacs@gnu.org>
Subject: Re: Question about string-match and match-string
Date: Wed, 17 Jul 2013 12:02:47 +0200	[thread overview]
Message-ID: <20130717100247.GA22656@kuru.dyndns-at-home.com> (raw)
In-Reply-To: <877ggpzhxh.fsf@yahoo.fr>

Hi Nicolas,

On Wed, Jul 17, 2013 at 10:53:14AM +0200, Nicolas Richard wrote:
> 
> > PS: I'm also not very clear why we need 4 \-s in the regex to match a
> >     single \ in the string.  I came up with it by trial and error with the
> >     regexp-builder.  Any explanation about that would also be great.
> 
> I hope the above is an explanation of that. Just remember there are two
> steps:
> (i) emacs reads the string
> (ii) the string is made into a regexp
> so for matching on \, you  need the regexp \\, which is obtained by the
> string "\\\\" (e.g. (insert "\\\\") inserts \\)

Thank you for the very clear explanation.  It was very helpful.  :)

Cheers,

-- 
Suvayu

Open source is the future. It sets us free.



      reply	other threads:[~2013-07-17 10:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-17  8:17 Question about string-match and match-string Suvayu Ali
2013-07-17  8:35 ` Suvayu Ali
2013-07-17  8:44   ` Rasmus
2013-07-17  8:55     ` Suvayu Ali
2013-07-18  8:00     ` Julien Cubizolles
2013-07-18  8:33       ` Rasmus
2013-07-20 15:26         ` Julien Cubizolles
2013-07-20 22:25           ` Rasmus
2013-07-21  0:41             ` Rasmus
2013-07-21  8:15               ` Julien Cubizolles
2013-07-17  8:53 ` Nicolas Richard
2013-07-17 10:02   ` Suvayu Ali [this message]

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