In this example, we are going to show you the easiest way to validate TextFiled or TextFormField in Flutter App. Validation is very important to retrieve correct data from users. See the example below to validate email, full name, phone number, credit card number, URL, and many more.
https://www.fluttercampus.com/guide/91/how-to-validate-form-textfield-values-flutter/
#flutter #form
5.75 GEEK