$str = "连续剧/大陆/狼毒花/16.rmvb?S7a5_9_1_6c5_b_970a9416f6b9727c701";
preg_match_all("~.+\/.+\/(.+)\/([0-9]+)\..+~",$str,$Arr,PREG_SET_ORDER);
echo $Arr[0][1].$Arr[0][2];
preg_match_all("~.+\/.+\/(.+)\/([0-9]+)\..+~",$str,$Arr,PREG_SET_ORDER);
echo $Arr[0][1].$Arr[0][2];
preg_match("/([^\/]*)\/(\d+)\..*/",$str,$m);
echo "$m[1]\t $m[2]\n";