Scrubbing numbers plugin

I want to add a scrubbing numbers plugin like this, Number Scrubbing | CSS-Tricks - CSS-Tricks

Are there any tips on how I could do this? Or any good plugin examples?

A change filter or transaction filter can block transactions that contain characters you don’t want to allow. Or, in the first case, could even block just the non-numbers when both numbers and non-numbers are entered in a single transaction.

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