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philk/betterstring.rb

Created May 24, 2012 18:37
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Monkeypatch string
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betterstring.rb
class String
def is_valid_ip?
self.match(/\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b/) ? true : false
end
end
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