CREATE OR REPLACE FUNCTION F_UNIFIEDNO(UNIFIEDNO IN VARCHAR)
RETURN VARCHAR deterministic
IS
retval VARCHAR(200);

BEGIN
retval := LPAD(REGEXP_SUBSTR(UNIFIEDNO ,'[0-9]+', 1, 1),10,'*')||LPAD(REGEXP_SUBSTR(UNIFIEDNO ,'[0-9]+', 1, 2),10,'*');

RETURN retval;
END;