What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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(Private)Answered by victor on September 09, 2015 at 11:11 AM
I am assuming you would like to create a mask for a textbox. Once you have placed the text box in your form, you may click the INPUT MASK. Here you may enter the mask you wish to use.
Victor M Larrea