'Analyze results of the _send_mutant method.'

def _analyze_result(self, mutant, response):

    if self._has_no_bug(mutant):
        for preg_error_string in self._find_preg_error(response):
            if (preg_error_string not in mutant.get_original_response_body()):
                desc = 'Unsafe    usage    of    preg_replace    was    found    at:    %s'
                desc = (desc % mutant.found_at())
                v = Vuln.from_mutant('Unsafe    preg_replace    usage', desc, severity.HIGH, response.id, self.get_name(), mutant)
                v.add_to_highlight(preg_error_string)
                self.kb_append_uniq(self, 'preg_replace', v)
                break
