docs: def validate_message_text(self, message_string):
          """With a message string, check to see if it contains a SendGrid API Key
              If a key is found, throw an exception
  
             :param message_string: message that will be sent
             :type message_string: string
             :raises ApiKeyIncludedException: If message_string matches a regex
                                              string
          """
          if isinstance(message_string, str):
              for regex in self.regexes:
                  if regex.match(message_string) is not None:
                      raise ApiKeyIncludedException()