def away_abbreviation(self):
        """
        Returns a ``string`` of the away team's abbreviation, such as 'NWE'.
        """
        abbr = re.sub(r'.*/teams/', '', str(self._away_name))
        abbr = re.sub(r'/.*', '', abbr)
        return abbr
Returns a ``string`` of the away team's abbreviation, such as 'NWE'.