From: "W. James" <w_a_x_man@...>
Date: 2009-12-20T19:05:06+09:00
Subject: Re: Regex question

Katz Bo wrote:

> [code]
> irb(main):113:0> /l{2}x/ =~ 'llx'
> => 0
> irb(main):109:0> /(lo){2}/ =~ 'lolo'
> => 0
> irb(main):110:0> /(lo){2}x/ =~ 'lolox'
> => nil
> irb(main):111:0> /(?:lo){2}x/ =~ 'lolox'
> => 0
> [/code]
> 
> Note the third command returned nil but the fourth worked, any ideas?
> 
> [code]
> $ ruby -v
> ruby 1.9.1p376 (2009-12-07 revision 26041) [i686-linux]
> [/code]

irb(main):001:0> /(lo){2}x/ =~ 'lolox'
=> 0
irb(main):002:0> RUBY_VERSION
=> "1.8.7"

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