MediaWiki:Titleblacklist
- This is a title blacklist. Titles and users that match a regular expression here cannot be created.
- Use "#" for comments.
- This is case insensitive by default
User:[A-Z][a-z]+[A-Z][a-z]+[0-9]+ <newaccountonly|casesensitive> User:[A-Z][a-z]+[0-9][0-9][0-9][0-9] <newaccountonly|casesensitive>