From: Gennady <gfb@...>
Date: 2004-06-11T08:16:24+09:00
Subject: Re: String#scan strangeness

Simon Strandgaard wrote:
> On Friday 11 June 2004 00:43, Gennady wrote:
> 
>>irb(main):001:0> a = "a b c d "
>>=> "a b c d "
>>irb(main):002:0> a.scan %r{((\S+\s+){2,2})}
                                ^^^^^^^
                               ^^^^^^^^^^^^^^
                               These are sub-captures


>>ACTUAL   => [["a b ", "b "], ["c d ", "d "]]
>>I EXPECT => [["a b ", "a ", "b "], ["c d ", "c ", "d "]]
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
               And this is scan's result presented by irb

> 
>                         ^^^^                  ^^^^
>                         these are not subcaptures
>                         and are thus not being captured.
>                         you need parentesis in order to capture them
> 
> --
> Simon Strandgaard
> 
>