Implementing Class and Singleton Methods : Regexps « Development « Ruby






Implementing Class and Singleton Methods


class Regexp
  def Regexp.is_valid?(str)
    begin
      compile(str)
      valid = true
    rescue RegexpError
      valid = false
    end
  end
end
Regexp.is_valid? "The horror!"                     # => true
Regexp.is_valid? "The)horror!"                     # => false

 








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