From: Bertram Scharpf <lists@...>
Date: 2007-06-20T04:36:29+09:00
Subject: Re: Regular Expresion Needed

Hi,

Am Mittwoch, 20. Jun 2007, 04:05:07 +0900 schrieb Matt White:
> I am fairly new to Ruby. I have some good Perl experience and I need
> to "translate" a regex in Perl over to Ruby. Here's what I have:
> 
> $_ = 'abc123def456ghi789jkl';
> while(m/(\d{4})/g)
> { print "$1\n"; }
> 
> Which outputs:
> 123
> 456
> 789

  'abc123def456ghi789jkl'.scan /\d{1,4}/ do |x| puts x end
  'abc123def456ghi789jkl'.scan /\d{1,4}/ do puts $& end
  'abc123def456ghi789jkl'.scan( /\d{1,4}/) { |x| puts x }
  'abc123def456ghi789jkl'.scan( /\d{1,4}/) { puts $& }

Bertram

-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de