BBCode::IsValidEmail( $string )

function IsValidEmail($string) {
$validator = new BBCodeEmailAddressValidator;
return $validator->check_email_address($string);
/*
return preg_match("/^
(?:
[a-z0-9\\!\\#\\\$\\%\\&\\'\\*\\+\\/=\\?\\^_`\\{\\|\\}~-]+
(?:\.[a-z0-9\\!\\#\\\$\\%\\&\\'\\*\\+\\/=\\?\\^_`\\{\\|\\}~-]+)*
|
\"(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]
|\\\\[\\x01-\\x09\\x0B\\x0C\\x0E-\\x7F])*\"
)
@
(?:
(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+
[a-z0-9]
(?:[a-z0-9-]*[a-z0-9])?
|
\\[
(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}
(?:
25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:
(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21-\\x5A\\x53-\\x7F]
|\\\\[\\x01-\\x09\\x0B\\x0C\\x0E-\\x7F])+
)
\\]
)
$/Dx", $string);
*/
}