<?
$str = '가나다Aa앗12';
$pattern = '/[\d]+|[a-zA-Z]+|[\x70-\xFF]+/';
preg_match_all($pattern,$str,$result);

echo '<xmp>';
print_r($result);
echo '</xmp>';
?>

 

아래와 같이 출력 됩니다~ phpschool 만세~~

 

Array ( [0] => Array ( [0] => 가나다 [1] => Aa [2] => 앗 [3] => 12 ) )