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Re: please implement query-exchange

From: Ami Fischman
Subject: Re: please implement query-exchange
Date: Tue, 19 Nov 2002 09:25:19 -0800
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2.50 (i686-pc-linux-gnu)

"Eli Zaretskii" <eliz@is.elta.co.il> writes:


> Can't you do that with query-replace-regexp using parenthesized
> subexpressions and the \N feature (where N is a digit)?

Is this really possible?  When I first read your post, I just said to
myself "oh, yeah, that's right; that should take care of it" but later on I
actually tried to implement a query-exchange function using only one
query-replace-regexp, and couldn't figure out how to do it.  I see from (a
private email?) that Dan posted to the list that you suggested to him a
regexp that would take care of his particular string of text, but I'm now
more curious about the general problem.  Can anyone here implement an
exchange in a single RE replace?  More an academic challenge than an emacs
bug (or even feature request) since what Dan was asking for can be done
in a lisp function anyway.

  Ami Fischman

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