MediaWiki:Usernameblacklist
- \b(?i:admin|sysop|banned|moderator)
- \b(?i:penis|vagina|cocksucker|fellatio|cunnilingus|orgasm|rapes|raped|scrotum|fu[c(k]k)
- \b(?i:on wheels)
- \b(?i:molests|masturbates|sucks|incest)
- (?i:jimbo wales)
- \.(com|org|co\.uk|net|info)\b
- (?i:wikipedia|wiktionary|wikibooks|wikiquote|wikiversity|wikisource|wikinews|wikimedia)
- (?i:mumfum|kazoo)
- \b(?i:shit)
- \b(?i:hash raid)
- \b(?i:shit)
No usernames, longer than 29 characters.
- .{30,}
No more than 10 capital letters (also separated by blanks) in a username.
- [A-Z ]{10,}
Nothing beginning with !.
- ^!
- (!!)
Any character repeated more than five times
- (.)\1{5}