Hi, Karsten,
That sounds interesting.
Any good example?
Regards, David
On Wed, 8 Dec 2021 at 12:10, Karsten Hilbert <karsten.hilb...@gmx.net>
wrote:
> Am Wed, Dec 08, 2021 at 12:07:13PM +0000 schrieb Shaozhong SHI:
>
> > We can do this:
> > select count(*) from regexp_matches('Great London', 'Great
> > London|Information Centre|Department for Transport', 'g');
> >
> > Is it possible to allow null as an option? something like this
> > select count(*) from regexp_matches('Great London', 'null|Great
> > London|Information Centre|Department for Transport', 'g');
>
> You seem to want to apply coalesce() judiciously.
>
> Best,
> Karsten
> --
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