Jsp code for validating email address

For example, if your form has a box for the user to type their email address, you might want your form handler to check that they've filled in their address before you deal with the rest of the form.There are two main methods for validating forms: (usually done using Java Script).This was really a lengthy process which used to put a lot of burden on the server.

I have borrowed the regex for verifying the correct email format from a different site. Please note that I have removed the action attribute because this is only a demo and we are only concerned with the client-side verification of the Java Script function.This method accepts regex expressions as arguments to check the string and returns the position of the specified value in the string or a -1 if no match was found.If the search() method returns a -1, then an alert would tell the user that an invalid email address has been entered and returns a false value.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.

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