require 'kmff_palindrome/version'

module KmffPalindrome
  # Returns true for a palindrome, false otherwise.
  def palindrome?
    processed_content == processed_content.reverse
  end

  private

  # Returns content for palindrome testing.
  def processed_content
    self.to_s.scan(/[a-z\d]/i).join.downcase
  end
end


class String
 include KmffPalindrome
end

class Integer
  include KmffPalindrome
end