def get_exact_match_filter(self, query):
    query = re.escape(query.lower())
    # abc -> abc(\..*)?
    flt = query % "\n%s(?:\\..*)?\n"
    return (flt, False)
dataset/ETHPy150Open natduca/quickopen/src/db_index_shard.py/DBIndexShard.get_exact_match_filter/swapped operands of `%`