restriction enter 4 digits in Nintext text box | Community

is it possible to restrict user from entering more than 4 digits in nintext text box

For ex: 3456, after this it should allow user to enter

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you can not directly restrict that someone do not type in more then 4 digits into a form control, you can however create a validation rule or better (in this case) configure regular expression validation that prevents form to submit if there are more then 4 or not exactly 4 digits entered.

You can do it using Javascript:

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