Module:Resolve category redirect

local p = {}

--Returns the target of, if it exists, else returns the original cat. function rtarget( cat ) local catcontent = mw.title.new( cat or '', 'Category' ):getContent if string.match( catcontent or '', '{{ *[Cc]at' ) then local regex = { --the following 11 pages (6 condensed) redirect to Template:Category redirect, in descending order, as of 9/2022: '{{ *[Cc]ate?g?o?r?y?[ _]*[rR]edirect',	--505+312+243+1 transclusions '{{ *[Cc]atr',							--21 '{{ *[Cc]at[ _]*[rR]edir',				--5+3 '{{ *[Cc]at[ _]*[rR]ed',				--3+2 '{{ *[Cc]at[ _]*[mM]ove',				--1 '{{ *[Cc]ategory[ _]*[mM]ove',			--0 }		for _, v in pairs (regex) do			local rtarget = mw.ustring.match( catcontent, v..'%s*|%s*([^|}]+)' ) if rtarget then rtarget = mw.ustring.gsub(rtarget, '^1%s*=%s*', '') rtarget = string.gsub(rtarget, '^[Cc]ategory:', '') return rtarget end end end return cat end

function p.main( frame ) local args = frame:getParent.args local cat = args[1] if (cat == '') or (cat == nil) then return '' end return rtarget( cat ) end

return p