function validateAbsolutePath(path,os) {
    if (os ==="windows"){
       let reg = new RegExp('^[a-zA-Z]:\\\\(((?![<>:"/\\\\|?*]).)+((?<![ .])\\\\)?)*$');
       return reg.test(path)
    }
    if (os ==="linux"){
        // reject not start with /
        if (! new RegExp("^\/").test(path)){
            return false
        }
        // approve root /
        if (path === "/"){
            return true
        }
        // reject double slash and \0
        let reg2 =new RegExp("^(/)?([^/\0]+(/)?)+$")
        return  reg2.test(path)
    }
}

var startList = [
    'C://test',
    'C://te?st.html',
    'C:/test',
    'C://test.html',
    'C://test/hello.html',
    'C:/test/hello.html',
    '//test',
    '/test',
    '//test.html',
    '//10.1.1.107',
    '//10.1.1.107/test.html',
    '//10.1.1.107/test/hello.html',
    '//10.1.1.107/test/hello',
    '//test/hello.txt',
    '/test/html',
    '/tes?t/html',
    '/test.html',
    'test.html',
    '//',
    '/',
    '\\',
    "C:\\\\hello\\\\world",
    "C://hello//world",
    '/t!esrtr',
    'C:/hel**o',
    'C:\\Users\\oneslide',
    'c:\\',
    'c:\\oneslide.html\\',
    'C:\\hello\\新建文本文档.txt\\hello',
    "C://hello world/",
    "C://sta-world"
];

var linux_list=[
    "/",
    "/hello",
    "/hello.html",
    "/hello/hello/",
    "/hello123#/hello",
    "\\hello",
    "/hello-world123",
    "/hello\\",
    "/hello//x/",
    "/",
    "/*hello.x",
    "hello",
    "/hello world/",
    "/hello/张三.txt"
]
function testCase(reg,list){
    let reg2 =new RegExp(reg)
    list.forEach(item => {
        console.log(reg2.test(item) + '  >>>   ' + item);

    });
}
startList.forEach(item => {
    console.log(validateAbsolutePath(item,"windows") + '  >>>   ' + item);

});
console.log("-----------------")
linux_list.forEach(item => {
    console.log(validateAbsolutePath(item,"linux") + '  >>>   ' + item);

});