is there a site like https://float.exposed for utf-8? Like where you paste in a UTF-8 string and see how it's broken up into Unicode code points?
@b0rk easy enough to create one. I had to mess with this a few years back. There were a whole mess of corner cases:
https://landley.net/notes-2017.html#01-09-2017
https://landley.net/notes-2017.html#29-08-2017
http://lists.landley.net/pipermail/toybox-landley.net/2017-September/025230.html
Parser and test code:
https://github.com/landley/toybox/blob/master/lib/lib.c#L372
https://github.com/landley/toybox/blob/master/toys/example/demo_utf8towc.c