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IS_IP?
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#!/usr/bin/env ruby # 0-255.0-255.0-255.0-255 def is_ip?(ip) a = ip.split('.') a.size == 4 && !a.any? { |segment| segment.to_s =~ /[A-Za-z]/ } && a.all? {|segment| segment.to_i.between?(0,255) } end puts is_ip?("122.115.233.xxx") puts "123".to_s
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Absolute running time: 0.13 sec, cpu time: 0.01 sec, memory peak: 4 Mb, absolute service time: 0.14 sec (cached)
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false 123