From: Brian Candler <b.candler@...>
Date: 2010-06-15T00:48:49+09:00
Subject: Re: Regular expressions in Ruby

Abder-rahman Ali wrote:
> %r{\.(gif|jpg|png)$}i
> 
> I knew that %r is a way to write a regular expression.
> 
> But, what is the $, and the i?


http://www.ruby-doc.org/docs/ProgrammingRuby/html/language.html#UK
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