From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-09-22T19:19:03+09:00
Subject: Re: regex problem with gsub

Gilbert Rebhan wrote:
> str=File.basename(Dir["J:/test/*.xml"].sort[0]).gsub(/(\w{8}).+/, $1)

At this point $1 is nil, which is why you get the error. You have to keep in 
mind that arguments are evaluated before the method is called and $1 will 
only have value after that. You need to use '\1' instead of $1.


HTH,
Sebastian
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