Substr with instr

Question

Hi Gurus,
Please let me know how to pick the numbers in between these words like ( '123.22.111','111.123.12','124.1.1').
for above query i want the answer should be (22,123,1)
And I would like to pick the number in between dots. Sometimes its two number and some times its three numbers or some time its one number.
Please let me know.
Thanks in advance.
RS

Answer 1

SELECT
trim(both '.' from REGEXP_SUBSTR(token,'\.[^,]+\.'))
from(
SELECT LEVEL
, SUBSTR
( STRING_TO_TOKENIZE
, DECODE(LEVEL, 1, 1, INSTR(STRING_TO_TOKENIZE, DELIMITER, 1, LEVEL-1)+1)
, INSTR(STRING_TO_TOKENIZE, DELIMITER, 1, LEVEL) -
DECODE(LEVEL, 1, 1, INSTR(STRING_TO_TOKENIZE, DELIMITER, 1, LEVEL-1)+1)
)token
FROM ( SELECT q'('123.22.111','111.123.12','124.1.1')'||',' AS STRING_TO_TOKENIZE
, ',' AS DELIMITER
FROM DUAL
CONNECT BY INSTR(STRING_TO_TOKENIZE, DELIMITER, 1, LEVEL)>0
ORDER BY LEVEL ASC);