On Jan 10, 11:38 am, Bram Moolenaar <[email protected]> wrote:
> Christian Brabandt wrote:
>
> > >> There is a patch with a improved regex implementation which should also
> > >> be faster. Not sure how complete and stable it is.
>
> > > Still waiting for someone to write an extensive set of tests for this.
> > > Otherwise I believe it is complete.
>
> > We already have RE tests in test24, test36, test43, test44, test46,
> > test64, test79, test80
>
> > What other tests would you need?
>
> A lot.  Every possible combination of RE patterns need to be tested.
> Also how greedy a pattern is, where partial matches are located, etc.
> Anything that might break.
>

Isn't this a bit of a tall order? Maybe a better solution is to
release it "in the wild", maybe with a temporary (or even a compile-
time) option to turn it on, and see what breaks? I'm worried it will
never get included if we really need to test every combination of
patterns.

> We also need performance tests, to find out if the new engine is slower
> in certain circumstances.
>

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