Re: Fwd: help on postgres regexp

On 6 May 2010 15:52, Nicholas I <nicholas(dot)domnic(dot)i(at)gmail(dot)com> wrote:

>
>
> ---------- Forwarded message ----------
> From: Nicholas I <nicholas(dot)domnic(dot)i(at)gmail(dot)com>
> Date: Wed, May 5, 2010 at 8:35 AM
> Subject: help
> To: pgsql-sql(at)postgresql(dot)org
>
>
> Hi,
>
> I have a table in which the data's are entered like,
>
> Example:
>
> One (1)
> Two (2)
> Three (3)
>
> I want to extract the data which is only within the parentheses.
>
> that is
> 1
> 2
> 3
>
>
> Thank You
> Nicholas I
>
>
>
Use a regular expression:

SELECT substring('this is a test(22)' from '\([0-9]+\)');

This would return 22.

Regards

Thom