The Short text form field is an input field for free-form text responses such as a personal name or a street name. The input made into this form field is not validated.
If you need your users to provide a longer response, then you should use the Long text form field.
Do you need to validate input made by your users? In that case, use the Input field form field, for which all validators are available, or use predefined form fields such as Number, for example.
