From: David Vallner <david@...>
Date: 2006-10-03T06:40:17+09:00
Subject: Re: replace a string delimited by 2 other string, regexp problem

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Vincent Fourmond wrote:
> left =3D "/*startdel2*/"
> right =3D "/*enddel2*/"
> p str.gsub(/#{Regexp.quote(left)}(.*?)#{Regexp.quote(right)}/m,
>            "#{left}hello#{right}")
>=20

The "right" could be in a positive lookahead making things probably a
likkle bit faster. No lookbehinds until Ruby 1.9 / 2.0 though.

p str.gsub(/#{Regexp.quote(left)}(.*?)(?=3D#{Regexp.quote(right)})/m,
           "#{left}hello")

David Vallner


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