Does a simple validation of an email by matching it to a regexps

        :param email: The email to check
        :return: The valid Email address

        :raises: ValueError if value is not a valid email

def _validate_simple(email):
        """Does a simple validation of an email by matching it to a regexps

        :param email: The email to check
        :return: The valid Email address

        :raises: ValueError if value is not a valid email
        """
        name, address = parseaddr(email)
        if not re.match('[^@]+@[^@]+\.[^@]+', address):
            raise ValueError('Invalid email :{email}'.format(email=email))
        return address