AppSheet field format validation

I have a application maked in AppSheet and I need that one form field allow values with format “LNN/LNN”, or LNN-NN/LNN-NN. Using the regular expression “/^[a-zA-Z]\d{1,2}(?:-\d{1,2})?/[a-zA-Z]\d{1,2}(?:-\d{1,2})?$/g” I can see that its work as I require, but I see that AppSheet not have a “RegExp” functión or simllar for apply this solution.

There some method for make this validation in AppSheet?

Not really. You best option (which is not a good option) is to validate it in the spreadsheet.

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