Hello,
I’d like partipants to answer “ first 2 letter of first name” & ‘first 3 letter of last name’ in the from field. How can I validate so that they can only enter 2 letters and 3 letters on that field?

Hello,
I’d like partipants to answer “ first 2 letter of first name” & ‘first 3 letter of last name’ in the from field. How can I validate so that they can only enter 2 letters and 3 letters on that field?
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