MediaWiki:Usernameblacklist

# Entries in this list will be used as part of a regular expression when
# blacklisting usernames from registration. Each item should be part of
# a bulleted list, e.g.
#
# * Foo
# * [Bb]ar

(\ba|A)(?i:dmin)
(\bs|S)(?i:ysop)
(\bm|M)(?i:oderator)
(?i:peni(s|5))
(?i:vagina)
(?i:cocksucker)
(?i:fu[c(k]k)
(\bo|O)(?i:n wheels)
(\bs|S)(?i:crotum)
(\bo|O)(?i:rgasm)
(?i:jimbo wales)
\.(com|org|co\.uk|net|info)\b
(?i:wikipedia|wiktionary|wikibooks|wikiquote|wikiversity|wikisource|wikinews|wikimedia|wikispecies)
(?i:fellatio)
(?i:cunnilingus)
(?i:dildo)
(\ba|A)(?i:rbitrate|rbitrator)
(\bo|O)(?i:versight)
(\bc|C)(?i:heckuser)
卐
卍
(Renameduser)

See bug 12581

@