ValidatesAsCnpj ============== This is a refactoring with i18n support of original plugin made by OSS: https://projetos.ossystems.com.br/projects/plugonrails/repository/browse/plugins/validates_as_cnpj Note this plugin only work on Rails >= 2.3 Example ======= class Company < ActiveRecord::Base validates_as_cnpj :cnpj end Copyright (c) 2009 Gabriel Sobrinho, released under the MIT license