Inflecciones para lenguaje español en Ruby

inflections.rb

ActiveSupport::Inflector.inflections.clear
ActiveSupport::Inflector.inflections do |inflect|
  inflect.plural /([rlnd])([A-Z]|_|$)/, '\1es\2'
  inflect.plural /([aeiou])([A-Z]|_|$)/, '\1s\2'
  inflect.singular /([aeiou])s([A-Z]|_|$)/, '\1\2'
  inflect.singular /([rlnd])es([A-Z]|_|$)/, '\1\2'
end