Applying a Validator to textInput in Repeater

Hi guys, so I've got a repeater that's creating about 4 Text
Inputs.
Each Text Input has binding to it's text Property. However,
I'd also like to set a validator and I'm having trouble figuring
out how to apply the validator to the dynamically create components
-- what do i put in the source propert of the validator and where
do i even put the validator code? In the repeater?
Thanks for the help.

can a validator be applied to text inputs created in a
repeater? Is it not possible?

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