On that same note, you can also check the structure of an email address utilizing the same regular expression (regex) methodology.Description: A script that closely examines the content of a form box to ensure that the user entered a valid email address.Having a-z and A-Z means that both lowercase and uppercase letters are allowed.indicates the minimum and maximum number of characters.Example: Directions: Simply cut and paste the below code into the section of your page.
Here is the code for the verify Email() function: This function will return a false value if the user does not type in an email address in the correct format or if the user fails to type in the same email address in both fields.
If the email addresses passes both these tests, then the function will return a true value.
The regex for validating the correct email format in line 2 has been borrowed and edited slightly by adding the i flag so that the regex is case-insensitive.
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.