Gitea:
user:
- less than 40 characters
- Username should contain only alphanumeric, dash ('-'), underscore ('_') and dot ('.') characters.
- no ü,ä,ö
password:
- at least 6 characters
- at most 255 characters
- At least one uppercase character
- At least one digit
-  At least one special character (punctuation, brackets, quotes, etc.)
-  At least one lowercase character
Moodle:
user:
- only lowercase