Email address validator
This small function validates the input of a string and return true when an emailaddress is given or false when it's not a valid emailaddres
<?php
/*
* Function that checks if the given string is valid
* In: String representing an emailaddress
* Out: Boolean true or false
*/
function is_valid_email($email) {
// Checks for proper email format
if (! preg_match( '/^[A-Za-z0-9!#$%&'*+-/=?^_`{|}~]+@[A-Za-z0-9-]+(.[AZa-z0-9-]+)+[A-Za-z]$/', $email)) {
return false;
}
else {
return true;
}
}
?>
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Description
PHP function to test email addresses
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