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In this Angular 8 tutorial, we will look at how to create custom validators using Angular 8 Reactive Forms. Angular is a robust front-end framework; it comes with powerful built-in validators like minLength, maxLength, pattern, and required. Sometimes we have to deal with more difficult validation cases in real-world scenario thats where the custom validators help us to deal with the situation.
Implementing custom validators using Angular 8 Reactive Forms is very easy. Custom validators are just like functions which we often use in our day to day programming tasks. You can create custom validators for any given scenario.