`magic-regex/further-magic` differs from `type-level-regexp`

[alexanderniebuhr]

🐛 The bug

The typed version magic-regex/further-magic doesn't mirror behavior of https://github.com/didavid61202/type-level-regexp

🛠️ To reproduce

https://stackblitz.com/edit/github-tcfkrv?file=index.mjs

🌈 Expected behaviour

magic-regex/further-magic should mirror behavior of https://github.com/didavid61202/type-level-regexp

ℹ️ Additional context

cc @didavid61202