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From: Joe Riel <jriel@maplesoft.com>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Meaning of \C-? in bracket regular expression
Date: Sun, 27 Sep 2015 21:51:23 -0700	[thread overview]
Message-ID: <20150927215123.0bfb245f@gauss> (raw)
In-Reply-To: <87h9mfcsiv.fsf@web.de>

On Mon, 28 Sep 2015 02:11:04 +0200
Michael Heerdegen <michael_heerdegen@web.de> wrote:

> Joe Riel <joer@san.rr.com> writes:
> 
> >  "[^\C-?}]"
> 
> (info "(elisp) Ctl-Char Syntax") says that
> 
>   For historical reasons, Emacs treats the <DEL> character as the
>   control equivalent of ‘?’:
> 
>        ?\^? ⇒ 127     ?\C-? ⇒ 127
> 
> Try (string-to-vector "[^\C-?}]").
> 
> So this is a question of string read syntax - there is no character "-"
> in this string representing a regexp.

Thanks, that was helpful.


-- 
Joe Riel




      reply	other threads:[~2015-09-28  4:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-27 23:49 Meaning of \C-? in bracket regular expression Joe Riel
2015-09-28  0:11 ` Michael Heerdegen
2015-09-28  4:51   ` Joe Riel [this message]

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