def rate(self):
        return self.lookup_function_call()
Checks if the given string is valid.
dataset/ETHPy150Open JamesPHoughton/pysd/tests/old_tests/vensim/test_lookups.py/Components.rate--crossover with--dataset/ETHPy150Open rwl/muntjac/muntjac/data/validators/abstract_string_validator.py/AbstractStringValidator.isValidString