From: Luis Parravicini <lparravi@...>
Date: 2010-06-15T00:30:02+09:00
Subject: Re: Regular expressions in Ruby

On Mon, Jun 14, 2010 at 12:24 PM, Abder-rahman Ali
<abder.rahman.ali@gmail.com> wrote:
> I'm new to Ruby, and just want to ask about how to read the following
> statement from the "Agile Web Development With Rails, 3rd edition" book:
>
> %r{\.(gif|jpg|png)$}i
>
> I knew that %r is a way to write a regular expression.
>
> But, what is the $, and the i?

   $ matches the end of the string and i makes the search case
insensitve. This is not Ruby specific, perphaps you should read about
regular expressions. See http://www.regular-expressions.info/ruby.html

Bye


-- 
Luis Parravicini
http://ktulu.com.ar/blog/