You can query the Oracle data dictionary view USER_SOURCE:
SQL> select text 2 from user_source 3 where name = 'F_GETAREA_NR' 4 order by line; TEXT ------------------------------------ function f_getArea_Nr (i_rad_nr) return NUMBER is v_pi_nr NUMBER:=3.14; begin return v_pi_nr * (i_rad_nr ** 2); end; 7 rows selected.
You can copy the result into any text editor, modify it, and paste it back.
When you do a search in the Oracle data dictionary, all object names are in uppercase.