def METHOD_NAME(self, query_string) -> bool:
    # Matches START t'1234-56-78T00:00:00.123Z' STOP t'1234-56-78T00:00:00.123Z'
    pattern = "START\s(t'\d{4}(-\d{2}){2}T\d{2}(:\d{2}){2}(\.\d+)?Z')\sSTOP"
    match = re.search(pattern, query_string)
    return bool(match