Example Restify route

server.js

app.get('/hello/:name/:age([0-9]+)/:cool(true|false)', (req, res, next) => {  
  let {name, age, cool} = req.params;
  cool = (cool === 'true');
  age = parseInt(age);

  if (cool) {
    res.send(`You're a cool ${age} year old, ${name}`);
  } else {
    res.send(`${name}, we need to talk about your coolness.`);
  }
});