# frozen_string_literal: true

require_relative "miles200_palindrome/version"

class String

  # Returns true for a palindrome, false otherwise.
  def palindrome?
    if processed_content.empty?
      false
    else
    processed_content == processed_content.reverse
    end
  end

  private

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