1st option –
You can nest REPLACE()
functions up to 32 levels deep. It runs fast.
REPLACE
(REPLACE
(REPLACE
(REPLACE
(REPLACE
(REPLACE
(REPLACE
(REPLACE
(REPLACE
(REPLACE (@str, '0', ''),
'1', ''),
'2', ''),
'3', ''),
'4', ''),
'5', ''),
'6', ''),
'7', ''),
'8', ''),
'9', '')
2nd option —
do the reverse of –
Removing nonnumerical data out of a number + SQL
3rd option – if you want to use regex