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Re: recursive regexps
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From:
Stephen Turner
Date:
March 11, 2002 04:24
Subject:
Re: recursive regexps
Message ID:
Pine.LNX.3.96.1020311122123.24779A-100000@gentoo
On Mon, 11 Mar 2002, F.Xavier Noria wrote:
> I am not familiar with recursive regexps, not to mention their use in
> substitutions (room for playing until next April 1st :-) Have you find
> situations in everyday code where they apply naturally? Would the
> secret number problem be solved using a recursive regexp?
>
Well, I think the canonical example is the problem of matching nested
parentheses. If you have the Camel book, the code and the explanation are
on pages 213-214. And yes, I have actually used this in real life.
I'd be interested to know of other real examples too.
--
Stephen Turner, Cambridge, UK http://homepage.ntlworld.com/adelie/stephen/
"This is Henman's 8th Wimbledon, and he's only lost 7 matches." BBC, 2/Jul/01
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