From: Mmcolli00 Mom <mmc_collins@...>
Date: 2009-01-20T05:45:02+09:00
Subject: Regular Expression {m,n}

File.open("patientrecords.txt", 'r') do |p|
  if p.gets =~ /%{2,3}PersonID/   then
   puts "PersonID exist twice"
  end
 end

Hi.
This is supposed to tell me if there a line in my text file that
contains 'PersonID' at least 2 times and at most 3 times. I have been
playing with regular expressions and thinking {m,n} would help with
this. This snippet is used to show me if it will actually work. (Some
lines contain PersonID only once, I do not want to use those lines)

Thanks, MC
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