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.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Do you mean to ask about Input Mask?
Input mask is used to restrict the users to enter either alphabets, numbers or both when @, # or * are used respectively. Please see how the Input Mask works below :
If you mean to ask something else, please let us know. We are happy to assist you.