<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def validate(self, input_string):
 """ Validate input_string against a regex pattern :return: True if match / False otherwise """

        validation_result = False
        try:
            validation_result = bool(match(pattern=self.pattern, string=input_string))
        except TypeError as e:
            self.log.error(
                'Exception while validating Regex, pattern={}, input_string={} - exception: {}'.format(self.pattern,
                                                                                                       input_string,
                                                                                                       e))
        return validation_result