This will be A big addition to our forms. using multiple "Substitute" to attempt to control user input, is very time consuming and can be complex when other formatting is required. If this could be added to a Custom Function as a Global function to be called on, would be a game changer to template developers

Allow for REGEX patterns in form field entries, This would allow for control over what Form-Fillers can enter making data more correct and preventing messy data. This is also a standard on many other applications other than Go-Formz.