Rommel the iCeMAn <icecrew(at)gmail(dot)com> writes:
> I use the following code to detect alphanumeric strings:
> IF _my_variable SIMILAR TO '^[a-zA-Z0-9]+$' THEN
> // do stuff here
> END IF;
> In pg8.4 this worked perfectly. I upgraded to pg9.0 and it no longer
> works. From the release notes it appears that the behavior of SIMILAR
> TO has changed in pg9.0. My question is, how do I modify my code so
> that it works in 9.0?
Drop the ^ and $; they are incorrect for SIMILAR TO.
regards, tom lane