求一个正则表达式的规则！多谢！

Question

$path="/attach/6/1262932571_20100108.jpg";现在 想求得
$path="/attach/6/";
$filename="1262932571_20100108.jpg";请问 这个正则规则要怎么写啊……正则小白求助
多谢

Answer 1

$path="/attach/6/1262932571_20100108.jpg"; 
preg_match_all("/\/[^\/]*\/[^\/]*\//",$path,$rs1); 
preg_match_all("/[^\/]*\.jpg/",$path,$rs2); 
$path=$rs1[0]; 
$filename=$rs2[0];
print_r($path);
print_r($filename); 

Answer 2

$path = "/attach/6/1262932571_20100108.jpg"; 
preg_match('#(.*/)(.+)#', $path, $r);
list(, $path, $filename) = $r;echo $path . '<br />';
echo $filename;out:
/attach/6/
1262932571_20100108.jpg