Index des caractères Oracle
-- EXAMPLE
select
'0004V0' as TESTER
, INSTR('0004V0','V') -- OUTPUT: 5
, INSTR('0004V0','0') -- OUTPUT: 1
, INSTR('0004V0','0',4) -- OUTPUT: 6
from DUAL;
-- SYNTAX
INSTR(/*Main string*/, /*substring*/, /*start index*/)
Jacques_Kirstein