Ruby 2.0 Refinements Pig Latin

refined_pig_latin.rb

module PigLatin
  refine String do
    def to_p
      self.split(/(\-|\s+)/).map do |snippet|
        if snippet.match /^[a-z']+[^a-z0-9]*$/i
          snippet.match /^(qu|[^aeiou]*)(.+?)([^a-z]*)$/i do |letter|
            first, punc = letter[2] + letter[1], letter[3]
            first.capitalize! if snippet.match /^[A-Z][a-z]/
            last = first.downcase == 'a' ? 'y' : 'ay'
            first + last + punc
          end
        else
          snippet
        end
      end.join
    end
  end
end

module UsingNothing
  "I'm a normal string!".to_p
end
# NoMethodError: undefined method `to_p' for "I'm a normal string!":String

module Latinize
  using PigLatin
  
  "Look at that, it's pig latin!".to_p
end
# => "Ooklay atay atthay, it'say efinedray igpay atinlay!"

# Pig latin regex borrowed from igpay_atinlay gem.