From: Ted <ted@...>
Date: 2002-12-06T11:02:04+09:00
Subject: Re: Regexp imxo - does 'x' work?

.. and it returns 'nil' for no match?

> >   perl -e 'print "foobar" =~ /foo bar/x'      >> 1
> >   ruby -e 'print "foobar" =~ /foo bar/x'      >> 0
> 
> Perl is returning whether there was a match (undef if no match).
> Ruby is returning the offset of the match (strings start at 0).