From: Guillaume Carbonneau <gusxedge@...>
Date: 2006-07-27T00:30:25+09:00
Subject: Re: gsub

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Hi, what you really want to use if you want a clean solution is negative
lookaheads built into your regular expression.

How lookaheads work:
http://www.regular-expressions.info/lookaround.html

Search google for specific lookahead uses in Ruby as I haven't experienced
them yet with this language.

On 7/26/06, Tomas Fischer <tomas_fischer99@yahoo.de> wrote:
>
> Hi,
>
> I have a string s= XXaaXX, in which i want to replace the last substring
> r, which is determined at run time.
>
> r= XX
>
> s.gsub(/XX\z/,'') solves the problem in a static way.
> s.gsub(r,'') solves it too, but who can I specify, that only the last
> occurence should be replaced.
>
> Best regards,
> Tomas
>
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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