require_relative "eveveneno_palindrome/version" module EvevenenoPalindrome # Returns true for a palindrome, false otherwise. def palindrome? def palindrome? processed_content == processed_content.reverse end private # Returns content for palindrome testing. def processed_content to_s.scan(/[a-z0-9]/i).join.downcase end end class String include EvevenenoPalindrome end class Integer include EvevenenoPalindrome end