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From: David Kastrup <dak@gnu.org>
Newsgroups: gmane.emacs.help
Subject: Re: multiple search strings in query-replace-regexp
Date: Sat, 07 Oct 2006 00:01:00 +0200
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Ilya Zakharevich <nospam-abuse@ilyaz.org> writes:

> [A complimentary Cc of this posting]

Please don't.  It is sufficient to answer to the list.

> David Kastrup wrote:
>> With Emacs 22:
>> 
>> C-M-% \(foo\)\|\(rock\)\|metal RET
>> \,(cond (\1 "bar") (\2 "house") ("goa")) RET
>
> To make it useful, one needs a function to count the number of
> parentheses in a given regular expression.  Is there?

Uh WHAT?  You just type the above stuff.  Why would that not be
useful?

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum