From: Andreas Hansen <hansenandr@...>
Date: 2009-06-25T18:26:11+09:00
Subject: regex that works on rubular.com but not in my program

hi,

i have some trouble with a regex.
it works on rubular.com but not in my program
ive used the content in testfile.txt on rubular.com

the regex finds a ip-address, a flag and a username in a TCP-packet(an
example: http://rubular.com/regexes/8389)

regex =
/(?:[I][P]\s)((?:[0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4}|(?:\d{1,3}\.){3}\d{1,3}).{0,}(?:[:][\s])([P])(?:.{0,})$\s(?:^[E].{5}[@].{9}[Q])(?:.{30,42}\.)\W{0,}([\w\d]{1}(?:[\w\d-]+.){1,13}[\wA-Z0-9])/i

filename = 'testfile.txt'
file = File.open(filename).collect
j = file.length
i = 0
while  i< j

  a = file[i].to_s

  b = a.scan(regex)
  print b.length

  i = i + 1
end
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