// GET 'http://www.example.com/admin/new?a=b'
app.get('/admin', (req, res, next) => {
req.originalUrl; // '/admin/new?a=b' (full path with query string)
req.baseUrl; // '/admin'
req.path; // '/new'
req.baseUrl + req.path; // '/admin/new' (full path without query string)
});