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Re: category codes and regexps

From: Kenichi Handa
Subject: Re: category codes and regexps
Date: Mon, 26 Jul 2004 08:59:57 +0900 (JST)
User-agent: SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/21.3 (sparc-sun-solaris2.6) MULE/5.0 (SAKAKI)

In article <address@hidden>, Werner LEMBERG <address@hidden> writes:

> Assume that I want to check a buffer for characters which aren't Thai,
> and which aren't in the range a-z.  My first idea was this:

>   [^\cta-z]

> This fails because `\' isn't special within [...].  What's the correct
> (interactive) way to do that?  I tried hard without finding a regexp
> which can handle this.

Unfortunately [...] can't be used with category nor syntax.

[ ^ a - z ESC : (insert (make-char 'thai-tis620 #x20)) RET
  - ESC : (insert (make-char 'thai-tis620 #x7f)) RET

will produce a regex that you want.

Another way is to make a new category (say, menumonic `T')
that contains a-z and Thai.  Then you can specify:

Ken'ichi HANDA

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