From: Stefan Rusterholz <apeiros@...>
Date: 2008-12-06T22:55:27+09:00
Subject: Re: Proximity searches in Ruby

Robert Dober wrote:
> File::read("test.data").scan  %r{Hello.{0,10}World}im

Another nice idea. And another mainly untested improvement:
module StringProximitySearch
  def proximity_search(w1, w2, distance=0)
    self =~ 
%r{#{Regexp.escape(w1)}\W+(?:\w+\W+){0,#{distance}}#{Regexp.escape(w2)}}im
  end
end

Regards
Stefan
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