def METHOD_NAME(self):
    """
    The hrws tag found in the name.
    HR = High Resolution
    WS = Wide Screen
    PD TV = Pure Digital Television
    :returns: an empty string if not found
    """
    attr = 'hrws'
    match = None
    if self.avc and self.tv == 'pd':
        regex = re.compile(r'(hr.ws.pdtv).%s' % self.avc, re.IGNORECASE)
        match = self._get_match_obj(attr, regex)
    return '' if not match else match.group()