From: Gavin Sinclair <gsinclair@...>
Date: 2002-12-06T11:06:19+09:00
Subject: Re: Regexp imxo - does 'x' work?

From: "Ted" <ted@datacomm.com>

> > >   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).
>

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

Try 'irb' and/or 'ri'.

Gavin