Please find the below rules I am using: +----+------+----+----------+--------------+-----------+---- -----------+----------+-------+ | id | dpid | pr | match_op | match_exp | match_len | subst_exp | repl_exp | attrs | +----+------+----+----------+--------------+-----------+---- -----------+----------+-------+ | 1 | 1 | 1 | 1 | ^000[0-9]+$ | 0 | ^000([0-9]+)$ | 1 | | Correct me If I am Wrong,