Selecting numbers starting with 0, followed by [1-9]

Question

Hello,
i'm using 9i (its a 3rd party software, i have no influcene on when they decide to upgrade...) on Unix.
In a table i would like to select all rows whose column x has entries that
- start with 0
- have a digit between 1 - 9 following the 0
So it should select rows with this value:
012345
098765
034343
044544
But it should not select rows with values like this:
000343333
00-334-2323
22---333--333
AA--00--000000
etc
Can you please give me some hint ?
Edited by: user590072 on 26.01.2010 00:46

Answer 1

You should make a habit of posting CREATE TABLE statement, so we can play with your requirement.
Does this work for you:
SQL> create table t as (
  2  select '0012345' col from dual union all
  3  select '012345' from dual union all
  4  select '098765' from dual union all
  5  select '034343' from dual union all
  6  select '044544' from dual union all
  7  select '000343333' from dual union all
  8  select '00-334-2323' from dual union all
  9  select '22---333--333' from dual union all
10  select 'AA--00--000000' from dual
11  );
Table created.
SQL> select *
  2  from   t
  3  where  substr(col, 1, 1) = '0'
  4  and    translate(substr(col,2),'x123456789','x') is null;
COL
012345
098765
034343
044544
4 rows selected.