validare e-mail

[13manuel84]

function checkMail( $m ) {
	// andr3a / HTML.IT
	$r = "([a-z0-9]+[\._\-]?){1,3}([a-z0-9])*";
	$r = "/(?i)^{$r}\@{$r}\.[a-z]{2,6}$/";
	return preg_match($r, $m);
}

if( checkMail( "mymail@mail.it" ) ) {
//... tuo codice
} 

p.s. http://www.devpro.it/php4_id_2.html