You are also able to limit the input to specific information type such as date/time, phone numbers, email addresses or even the length of input inside a text box.
You can test our email verification service for free - just register for a free API Key.
Our email list cleaning service removes outdated or invalid email addresses from Excel/CSV files, CRM systems and customer databases and protects you from getting blacklisted.
This allows your visitors to correct errors instantly, and only valid email addresses will be accepted.
for example, a form that is used to subscribe visitors to regular newsletters via email will be of no use if the user does not enter their email address.
In case you are shipping products to the user, it will be necessary that you make sure that they enter their address on the form.
Here is the code to validate email address in Java Script using regular expression.
: Finally, the email address must end with two to four alphabets.
Having a-z and A-Z means that both lowercase and uppercase letters are allowed.