On 09/09/10 11:55, Ungermann Carsten wrote:
Dear postgres list,
I need to verify the value of a column by a regular expression in an
if-statement before insert or update. It should be a one to three digit
value.
'^[0-9]{1,3}$' -- don't work
Works here.
CREATE TEMP TABLE tt (t text);
INSERT INTO tt VALUES ('1'),('12'),('123'),('1234'),(' 123'),('123 ');
SELECT ':' || t || ':' AS target, t ~ '^[0-9]{1,3}$' FROM tt;
target | ?column?
--------+----------
:1: | t
:12: | t
:123: | t
:1234: | f
: 123: | f
:123 : | f
(6 rows)
Works in 8.2, 8.3, 8.4, 9.0 for me. Either you're not testing the values
you think you are, or there is some issue with escaping of characters.
--
Richard Huxton
Archonet Ltd
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