Input mask validating type

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Click in the field row and then type the expression in the validation rule box in the field properties Second way: Open the form in Design view. On the data tab, type the expression in the validation rule property box.0How to create validation rule? Click in the field row and then type the expression in the validation rule box in the field properties Second way: Open the form in Design view. On the data tab, type the expression in the validation rule property box.

I don't have any UX research to cite, but anecdotally, I like it when inputs that expect data in a specific format use an input mask.

Masks can act as hints for what is expected in a field, and properly implemented they should not punish the user for actually typing the mask characters. I would much rather type in the '/', '-' '(', or whatever else character because that way I know exactly what I'm going to type and what the field requires, so I can do it as quick as I would normally type.I would also much rather have a small error box pop up next to the field in question if the format is off, telling me the format it should be in.If it fails, the Type Validation Completed event handler displays an error message to the user.If the value is a valid Date Time, the code performs an additional check to ensure that the date supplied is not prior to today's date.

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