Anything beyond this is going to be too opinionated.
You could find some other solutions by googling around but I recommend re-thinking your approach if the above examples don’t work for you.
We can validate email address at client side and server side.
To validate email address on client side, we can use java script with regular expression.
In this book, we are going to learn about the fundamentals of Java Script like DOM, String, Array, Objects, Events.
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Most email validation checks assumes that the top level domain can have up to 4 characters. You have just validated the format – not its existence.
The only way to truly validate the email address is to send an email to that address and request the user to confirm by clicking on a unique link (or entering a confirmation code)Remember, if the user’s intention is to enter an invalid email address, she can do it so easily whether you have the most tough validation or not.
Angular 2 to 7 Questions and Answers Angular is the most popular framework to create single page application (SPA) as well as Mobile and Desktop based applications.
In this book, you are going to learn about the fundamentals of Angular like Component, Modules, Services, Routing, Dependency injection, Deployment, and many other topics JS and ES6 Questions and Answers Java Script is the most popular language to create a web application with HTML and CSS, today Java Script can execute not only in the browser but also on the server.