Express.js routing: optional splat param?

I just had the same problem and solved it. This is what I used:

 app.get('path/:required/:optional*?', ...)

This should work for path/meow, path/meow/voof, path/meow/voof/moo/etc...

It seems by dropping the / between ? and *, the last / becomes optional too while :optional? remains optional.

This works for /path and /path/foo on express 4, note the * before ?.

router.get('/path/:id*?', function(req, res, next) {
    res.render('page', { title: req.params.id });
});

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