Thank you for this! Just installed redirector. Actually a few of my tampermonkey scripts are to map twitter to nitter etc, and I have old reddit redirect addon which could be consolidated into this as well.

BTW, to make it work I had to change:

    (.) to ([^.]*) and ([^?]) to ([^?]*) 

I think HN formatting ate some characters (I used indenting to try and preserve)