ASCII Table (Unicode) - Manipulate Text and Numbers in FileMaker - Day 3

We all dream of a function that allows developers to prevent “special” characters to be entered in an Email field. Why does FileMaker allows users to type letters into a number field or a date field, and then tell users they cannot do that? We all dream about a function to filter text in a click. As usual, Nick Hunter has his way of doing it…
from FileMaker Training Videos https://www.youtube.com/watch?v=0zAF8Jlfa1I

source https://fmtraining.tumblr.com/post/682720881515036672