From: Robert Klemme <shortcutter@...>
Date: 2013-02-01T16:53:19+09:00
Subject: Re: How backtracking works in Ruby?

On Thu, Jan 31, 2013 at 8:05 PM, Arup Rakshit <lists@ruby-forum.com> wrote:
> Eric Christopherson wrote in post #1094478:
>> On Fri, Jan 18, 2013 at 10:01 AM, Arup Rakshit <lists@ruby-forum.com>
>> wrote:
>>> (b) Why we need it?(means how regex with backtracking differs from a
>>> it's core,but my bad i am not getting the answers of all my above
>>> questions from here to have the concept.
>
>
> Can anyone help me to understand the concept with some codes? Code
> examples always give us good visualization.

Look into the regexp engines implementation.  You won't easily see how
the regexp engine works internally by only using it.  Better yet, get
a copy of "Mastering Regular Expressions" and digest it.

Cheers

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/