From: Guillaume Cottenceau <gc@...>
Date: 2001-09-14T06:27:52+09:00
Subject: [ruby-talk:21188] Re: variables in reg exp repetition

Paul Rubel <rubel@crhc.uiuc.edu> writes:

> Hello,
>  I've been working on some code lately and have come upon some strange
> behavior (at least I think so).
>  Is there a problem with variables in repetition in regexps?
> 
> ruby 1.6.4 (2001-06-04) [i686-linux]
> /bin/ruby> irb
> irb(main):001:0> three = 3
> 3
> irb(main):002:0> 'aaa' =~ /[a]{3,3}/
> 0
> irb(main):003:0> 'aaa' =~ /[a]{three,three}/
> nil

This deals with substitution of variables...

irb(main):006:0> 'aaa' =~ /[a]{#{three},#{three}}/
0



-- 
Guillaume Cottenceau - http://people.mandrakesoft.com/~gc/