Re: ** numeric check
- From: Daniel Fink <Daniel.Fink@xxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Mon, 12 Jul 2004 15:52:06 -0600
Here's a quick and dirty. Use wisely and at your own risk...
SQL> desc dwf
Name
Null? Type
------------------------------------------------------------------------
-------- -------------------------------------------------
COL1
VARCHAR2(10)
select col1,
length(col1) orig_length,
trim(translate(col1, '0123456789', ' ')) remove_nums,
length(trim(translate(col1, '0123456789', ' ')))
no_nums_length,
case when length(trim(translate(col1, '0123456789', ' '))) > 0
then 'Non-numeric string'
else 'Numeric String' end is_numeric
from dwf;
COL1 ORIG_LENGTH REMOVE_NUM NO_NUMS_LENGTH IS_NUMERIC
---------- ----------- ---------- -------------- ------------------
12345 5 Numeric String
TEST 4 TEST 4 Non-numeric string
T12345 6 T 1 Non-numeric string
12345 10 Numeric String
Regards,
Daniel
A Joshi wrote:
> Hi,
> I have a varchar2 column which contains some text and some totally numeric
> values. Is there an easy way to check if the value is totally numeric instead
> of looking at ascii values etc. Thanks for your help.
>
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