Add regex case for searching partition

        assert check_result(result[1], new_ids[0])

        assert result[1][0].distance <= epsilon

    def test_search_l2_index_params_partition_F(self, connect, table, get_simple_index_params):

        '''

        target: test basic search fuction, all the search params is corrent, test all index params, and build

        method: search table with the given vectors and tags with "re" expr, check the result

        expected: search status ok, and the length of the result is top_k

        '''

        new_tag = "new_tag"

        index_params = get_simple_index_params

        logging.getLogger().info(index_params)

        partition_name = gen_unique_str()

        new_partition_name = gen_unique_str()

        status = connect.create_partition(table, partition_name, tag)

        status = connect.create_partition(table, new_partition_name, new_tag)

        vectors, ids = self.init_data(connect, partition_name)

        new_vectors, new_ids = self.init_data(connect, new_partition_name, nb=1000)

        status = connect.create_index(table, index_params)

        query_vec = [vectors[0], new_vectors[0]]

        top_k = 10

        nprobe = 1

        status, result = connect.search_vectors(table, top_k, nprobe, query_vec, partition_tags=["new(.*)"])

        logging.getLogger().info(result)

        assert status.OK()

        assert len(result[0]) == min(len(vectors), top_k)

        assert check_result(result[1], new_ids[0])

        assert result[0][0].distance > epsilon

        assert result[1][0].distance <= epsilon

        status, result = connect.search_vectors(table, top_k, nprobe, query_vec, partition_tags=["(.*)tag"])

        logging.getLogger().info(result)

        assert status.OK()

        assert len(result[0]) == min(len(vectors), top_k)

        assert check_result(result[1], new_ids[0])

        assert result[0][0].distance > epsilon

        assert result[1][0].distance <= epsilon

    def test_search_ip_index_params(self, connect, ip_table, get_index_params):

        '''

        target: test basic search fuction, all the search params is corrent, test all index params, and build