From: Sebastian Hungerecker <sepp2k@...>
Date: 2008-05-26T17:49:20+09:00
Subject: Re: regular expression question...

hongseok.yoon@gmail.com wrote:
> file = open("source.txt", "r")
> file.each_line {|line|
>    if line.match /(.*)\/\//
>       puts $1 if $1.length > 0
>    end
> }
> file.close
>
> result is...
>
> 12
>   /
> 12/
>
> but!, what I expected is~
>
> 12
> 12

.* tries to match as much as possible (greedy) so the \/\/ will match the 
last // it finds - not the first. If you want to make the .* non-greedy, add 
a ? after the *.

HTH,
Sebastian
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