last word no dot before that
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console.log("Hello World!");
let strs = ["/hello/world","hello/world.html","http://www.baidu.com"]
strs.map(v => console.log(v," => ",search(v)));
function search(v){
let ret = v.match(/\.?\w+$/i);
if(ret[0][0] == "."){
ret = v.replace(/\.\w+$/i,"")
ret = search(ret);
return ret
}else{
return ret[0];
}
}
JavaScript
INFO