How to use () in Custom Match Parameters?

[doubleKGe]

For example:
If I write it like this:

path: ':code([^\/]+?/[^\/]+?/[^\/]+?)?'

It's true
but If I write it like this:

path: ':code(([^\/]+?)/([^\/]+?)/([^\/]+?))?'

It will not live up to expectations

So I want to ask how to use () in Custom Match Parameters?

[blakeembrey]

It should throw an error telling you what you need to do. It needs to be non-capturing. Here’s an example I found online for non-capturing groups: https://javascript.info/regexp-groups#non-capturing-groups-with

[blakeembrey]

This is also only allowed in V3 or higher.