'The raw tag found in the name
:return: an empty string if not found'

@property
def raw(self):

    attr = u'raw'
    match = None
    if (self.res and (self.tv == u'hd')):
        regex = re.compile(u'({0}.hdtv)'.format(self.res), re.I)
        match = self._get_match_obj(attr, regex)
    return (u'' if (not match) else match.group())
