class Regexp
  module Examples
    def examples
      partial_examples =
        RegexpExamples::Parser.new(source)
          .parse
          .map {|repeater| repeater.result}
      full_examples = RegexpExamples::permutations_of_strings(partial_examples)
      RegexpExamples::BackReferenceReplacer.new.substitute_backreferences(full_examples)
    end
  end
  include Examples
end