Nonstandard user categories

SQL

select distinct cl_to from categorylinks join page on page_id=cl_from where page_namespace=2 and page_title not like "%/%"
and cl_to not like "%Wikipedian%"
and cl_to not like "Wikipedia_sockpuppets_of%"
and cl_to not like "Suspected_Wikipedia_sockpuppets_of%"
and cl_to not regexp "^User_([a-zA-Z-]{2,}-[12345N]$|[a-z]{2,4})$"
and cl_to not regexp "^WikiProject_[A-Za-z_]_(members|participants)$"
and cl_to not regexp "task_force_(members|participants)$"
order by (select page_id from page where page_namespace=14 and page_title=cl_to) desc
limit 20000;
SQL

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