$re = '/(?<=:).*?(?=;|$)/s';
$str = '0:ID IN (1002,25);1:ID IN (2,3,4) AND COQ>=0 AND COQ<=9;2:ID IN
(73150,73150) AND TOTAL>=0 AND TOTAL<=99999';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php