PHP validate email script is an easy way to validate an email address. Use this quick and simple PHP regular expression for email validation. This is also case-insensitive, so it will treat all characters as lower case. It is a really easy way to check the syntax and format of an email address. Function will return TRUE if address is valid and FALSE if not.
Source code for webtoolkit.validate-email.php
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/**
*
* PHP validate email
* http://www.webtoolkit.info/
*
**/
function isValidEmail($email){
return eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email);
}
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