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From: Kenichi Handa <handa@m17n.org>
Cc: emacs-devel@gnu.org
Subject: Re: category codes and regexps
Date: Mon, 26 Jul 2004 08:59:57 +0900 (JST)	[thread overview]
Message-ID: <200407252359.IAA03317@etlken.m17n.org> (raw)
In-Reply-To: <20040725.225927.239650643.wl@gnu.org> (message from Werner LEMBERG on Sun, 25 Jul 2004 22:59:27 +0200 (CEST))

In article <20040725.225927.239650643.wl@gnu.org>, Werner LEMBERG <wl@gnu.org> 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:
    \CT

---
Ken'ichi HANDA
handa@m17n.org

  reply	other threads:[~2004-07-25 23:59 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-25 20:59 category codes and regexps Werner LEMBERG
2004-07-25 23:59 ` Kenichi Handa [this message]
2004-07-26  2:05   ` Werner LEMBERG
2004-07-26 19:26 ` Stefan Monnier
2004-07-26 19:48   ` David Kastrup
2004-07-26 21:14     ` Stefan Monnier

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