Getting rid of string

Question

If I run select col from x, I get:
col
abc er 12 12
fse gd 23 23
I just need to get rid of the last 2 characters so that I get the following:
col
abc er 12
fse gd 23
how do I achieve this?
Thanks,

Answer 1

Alternative is regex for 10G
Connected to Oracle Database 10g Express Edition Release 10.2.0.1.0
Connected as hr
SQL>
SQL> SELECT x, regexp_replace(x, '[ ]*..$', '') xxx
  2    FROM (SELECT 'ENAME99w0T 12   34' x
  3            FROM dual
  4          UNION ALL
  5          SELECT 'ENAME99w0T 1234' x
  6            FROM dual
  7          UNION ALL
  8          SELECT '   34' x
  9            FROM dual
10          UNION ALL
11          SELECT '4' x FROM dual) t
12  /
X                  XXX
ENAME99w0T 12   34 ENAME99w0T 12
ENAME99w0T 1234    ENAME99w0T 12
   34             
4                  4
SQL>