From: Jano Svitok <jan.svitok@...>
Date: 2007-11-24T00:28:19+09:00
Subject: Re: Working with regular expressions and "$"?

On Nov 23, 2007 4:15 PM, Eric I. <rubytraining@gmail.com> wrote:
> On Nov 23, 8:50 am, Joshua Muheim <fo...@josh.ch> wrote:
> > Hi all
> >
> > I remember to have read somewhere that the matching results of a regular
> > expression match like
> >
> > string1 =~ /some_expression/
> >
> > is stored in "$". I couldn't find documentation related to this (it's a
> > little hard to search google for "ruby regexp $"), so maybe someone has
> > some information for me? :-)
>
> If you have the 2nd edition of the pick-axe book, in chapter 22,
> there's a section called "Variables and Constants" which give a slew
> of variables.
>
> I don't want to type them all in.  But it looks like you're after
> either $&, which provides the matching string, or $~, which provides
> the MatchData object that describes the match.

http://www.zenspider.com/Languages/Ruby/QuickRef.html#18