This repository was archived by the owner on Nov 27, 2019. It is now read-only.
This repository was archived by the owner on Nov 27, 2019. It is now read-only.
Verify username is unique before creating account #2
Description
The username should allow most printable ASCII characters, and probably some Unicode characters as well, but this can cause serious issues, see https://labs.spotify.com/2013/06/18/creative-usernames/