Points 'In Region' Instead of 'In Curve'?

I need to sort some points inside some regions/surfaces. Points in Curves gets the job done except for the curves the have holes…

What’s the most efficient way to test for inclusion inside regions instead of just curves?

regions.gh (19.7 KB)

something like this work for you?

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Another approach.

regions-b.gh (10.6 KB)

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Screenshot 2022-07-25 at 20.52.16

This can also be simply done by doing some maths:

regions.gh (7.7 KB)