1. This is a title blacklist. Titles and users that match a regular expression here cannot be created.
2. Use "#" for comments.
3. This is case insensitive by default

# No '!' at beginning ^!.* <newaccountonly> # No multiple ! or ? .*[!?]{3,}.* # No pseudo-wiki-deep-links (?:[^\/]+[\/:])?(index\.php|w\/wiki)(?:\/.+)? # Disallows eleven or more of the same character repeated in usernames .*(.)\1{10}.* <newaccountonly> # No usernames shorter than 2 characters .{1,2} <newaccountonly> # No pseudo-IP-addresses (?:[OoIl0-9]{1,3}[\p{P}:-\s\.]){3}.* <newaccountonly> # No half or full-width characters (including control characters) / Small Form Variants .*[\x{0080}-\x{009F}\x{E000}-\x{F8FF}\x{FDD0}-\x{FDEF}\x{FE50}-\x{FE6F}\x{FF00}-\x{FFFF}].* <newaccountonly> # No domain endings .*\.(?:at|ch|de|com|net|org|biz|info|mobi)$ <newaccountonly> # No function call parentheses, such as in Hello() .*\(\).* <newaccountonly> # No 'Admin' .*[a4]dm[il1í]n.* <newaccountonly> 

# WikiVoyages merger unclaimed account renaming conflict avoidance .*\(W[TV]-\w{2}\) .* <newaccountonly> 

# no number at the end #  .*[0-9][0-9]$ <newaccountonly> --- conflicts with legitimate usernames