On Tue, Dec 13, 2011 at 7:51 AM, InterRob <rob(dot)marjot(at)gmail(dot)com> wrote:
> Thanks guys, i see what you mean.
>
> I do intend to use the PG escaping, in order to avoid that annoying
> warning... Hence, my expression should indeed be:
> SELECT regexp_matches('123-A' , E'(3[A-Z\\-\\(\\) ])');
>
> In the above expression i added the parentheses as I whish to match these as
> well :))
I advise dollar quoting when writing complicated regular expressions:
E'(3[A-Z\\-\\(\\) ])'
becomes
$$(3[A-Z\-\(\) ])$$
merlin