From: Shea Barton <shea@...>
Date: 2010-11-22T02:55:42+09:00
Subject: Re: Partial GSUB match / replacement

Actually I'm having a bit more trouble.

When I use css.gsub /(url\(['"]?)([^\)'"]+)(['"]?\))/, 
"#{$1}#{$2.upcase}#{$3}"

on a block of css, what happens is, every instance of url(...), gets 
replaced with the upcase of the last instance of it.

so
body {
 background: url(/images/site_background.png)
}
p {
 background: url(/images/image.png);
 margin-left: 10px;
}
=>
body {
 background: url(/IMAGES/IMAGE.PNG)
}
p {
 background: url(/IMAGES/IMAGE.PNG);
 margin-left: 10px;
}

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