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Re: elisp optimization question

From: Kevin Rodgers
Subject: Re: elisp optimization question
Date: Thu, 08 May 2008 19:42:07 -0600
User-agent: Thunderbird (Macintosh/20080421)

Lennart Borgman (gmail) wrote:
Another way to make it faster would perhaps be to make one regular expression with regexp-opt and then check the match.

That's a good suggestion, and it led me to look into regexp-opt for the
first time.  But how do I get it to capture just the variant part of the
matched strings in "\\( ... \\)" i.e. excluding any common prefix or


(regexp-opt '("»" "’")) =>

(regexp-opt '("»" "’") t) =>

But what I'd like it to return is "&#\\(\\(?:18\\|821\\)7;\\)"
so that (match-string 1) would return just "187" or "8217".

Kevin Rodgers
Denver, Colorado, USA

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