# frozen_string_literal: true

require 'kpietrzk_palindrome/version'
# Documentation comments
class String
  # Returns true for a palindrome, false otherwise.
  def palindrome?
    processed_content == processed_content.reverse
  end

  # Returns the letters in the string.
  def letters

  end

  private

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


end