Filter repeating group by a geographical search box's county or city

I have a filter popup that contains a search box. The search box is for geographical addresses.

I want be be able to filter my repeating group based on the country or city a user types in on the filter. What I have tried so far hasn’t worked.

Can anyone help? Am I misusing the extract operator?

UPDATE: Another constraint was interfering with it, hence the error.

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