Re: [PATCH] regexp_positions ( string text, pattern text, flags text ) → setof int4range[]

[Mark Dilger]

> On Mar 1, 2021, at 9:38 AM, Joel Jacobson <j...@compiler.org> wrote:
> 
> Forgive me for just sending a patch without much discussion on the list,
> but it was so easy to implement, so I thought an implementation can
> help the discussion on if this is something we want or not.

I like the idea so I did a bit of testing.  I think the following should not 
error, but does:

+SELECT regexp_positions('foObARbEqUEbAz', $re$(?=beque)$re$, 'i');
+ERROR:  range lower bound must be less than or equal to range upper bound


—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company