这个字符怎么得不到

Java code

$srt = <<<KK
/guang/catalog/dress?cata_id=2000000000000&word=34775&price=all&page=0§ion=hot
KK;

preg_match_all('/cata_id=(.*)&word=(.*)&/isU',$str,$match);
echo "<pre>";print_r($match);exit();

我要得到2000000000000
和 34775

------解决方案--------------------
$str = <<<KK
/guang/catalog/dress?cata_id=2000000000000&word=34775&price=all&page=0§ion=hot
KK;
preg_match_all('/cata_id=(.*)&word=(.*)&/isU',$str,$match);