Form validation enables the quality, accuracy, and integrity of the user input data. We will use the 'reactive' and 'template-driven' forms to validate a form in Angular. The tools are available in Git, Node.js, Visual Studio, and Visual Studio Code. Do the same three steps to create the application with the Angular base structure using the.@angular/cli` with the route file and the SCSS style format. Let’s create a custom field for the. email validator for the field.