extract numbers from string / word

<?php

$string = "The 1. Quick and 2. Brown fox said 3. (!@*(#!@*";

$new_string = ereg_replace("[^0-9]", "", $string);

echo $new_string;

?>


<?php
$Test1 = "<b> tebel</b> ";
$Test2 = preg_replace("/[^a-zA-Z0-9\s]/", "", $Test1);
echo $Test2;
?>