Stuff

function deep_sunshine($string, $pattern, $other = 'none'){
	switch($pattern){
		
		case 'alpha':
			$regex = '[a-z ]';
		break;
		
		case 'numeric':
			$regex = '[0-9 ]';
		break;
		
		case 'mixed':
			$regex = '[a-z0-9 ]';
		break;
		
		case 'email':
			$regex = '[a-z0-9]{1,}@[a-z0-9.-]{1,}.[a-z]{2,4}';
		break;
	}
		
	$trimmed = trim($string);
		
	if (@!preg_match('/^' . $regex . '+$/i', $trimmed)){
		return FALSE;
	}
		
	return TRUE;
	
}