From: Ryan Davis <ryand-ruby@...>
Date: 2008-04-22T18:05:49+09:00
Subject: Re: how to use regexp assertion


On Apr 22, 2008, at 00:57 , smellcode wrote:

> how to use regexp assertion
> like this in perl
> /some_pattern(?=exp)/


http://www.zenspider.com/Languages/Ruby/QuickRef.html#11