remove phone (Vietnam) from content

remove-Vietnamese-phone.php

$content  = preg_replace('#[\d]{3,4}[\.\- \s]?[\d]{2,3}[\.\- \s]?[\d]{2,3}[\.\- \s]?[\d]{1,2}#mius', '...', $content);
//        0999990999
//        099 999 0999
//        099 999 09 99
//        099 99 90 99
//        0999 99 0999
//        0999 990 999
//        0999 99 09 99
//        09999999990
//        0999 999 9990
//        0999 99 999 90
//        0999 99 99 990
//        09999 99 99 90
//        09999 99 9990
//        09999 999990
//        09999 999 990
//        09999 9999 90
// the rule accept 12 numbers and catch all above cases, but ok, I just use it to remove phone not valid it.