def __set_lost_stop_status(self, hgvs_string):
        """Check if the stop codon was mutated to something other than
        a stop codon."""
        lost_stop_pattern = '^\*\d+[A-Z?]+\*?$'
        if re.search(lost_stop_pattern, hgvs_string):
            self.is_lost_stop = True
            self.is_non_silent = True
        else:
            self.is_lost_stop = False
Check if the stop codon was mutated to something other than
        a stop codon.