Path params that contain slashes

[justingrant]

What's the recommended way to handle path parameters that may contain slashes?

For example, we have a /docs/ path in our app that contains nested paths or arbitrary length. For example:

/docs/foo
/docs/foo/
/docs/foo/bar
/docs/foo/bar/baz

We can match these paths in regexparam using /docs/* which works fine if all we want to do is match the path without extracting the param value, but if we want to extract that param:

1. Using a * parameter name is weird DX because it requires using params['*'] syntax instead of the more familiar params.rest syntax. This also makes IDE autocomplete problematic; in VSCode, autocomplete won't work when you type params. so it's harder for developers to discover that param, although if you know to type params.[' then it may work. (BTW, worse autocomplete was a tradeoffs of changing from wild to * for the wildcard parameter name.)
2. I must manually strip trailing slashes, which makes the behavior of wildcard params different from all other params where slashes are automatically stripped by default.

Is there a solution for slashful params other than building our own Regex? (Where we'll also lose the nice DX and autocomplete because TS literal types won't work with regexes)