Matching routes in a base node.js HTTP server

routeMatching.js

var http = require('http');

var routes = {
  '/foo/.*' : function (req, res) {
      res.locals.content = res.locals.content + '<h1>Foo Bar</h1>';
    },
    '/foo' : function (req, res) {
      res.locals.content = res.locals.content + '<h1>Foo</h1>';
    }
};

function match(req, res) {
  var keys = Object.keys(routes);
  for (var i = 0; i < keys.length; i++) {
    if (req.url.match(keys[i])) {
      routes[keys[i]](req, res);
    }
  }
}

http.createServer(function (req, res) {
  res.locals = {content: ''};
  res.writeHead(200, {'Content-Type': 'text/html'});
  match(req, res);
  res.end(res.locals.content );
}).listen(1337, '127.0.0.1');

console.log('Server running at http://127.0.0.1:1337/');