一个路径中，我想取用Uploads/1001/2.0.bin，请问怎么取

Question

一个路径中，我想取用Uploads/1001/2.0.bin，请问怎么取，文件路径如下： URL: /Host/Index/Uploads/1001/2.0.bin

Answer 1

var str = "URL: /Host/Index/Uploads/1001/2.0.bin".split("/").slice(-3).join("/");
console.log(str);

Answer 2

用正则。谁用谁知道