Module:Resolve category redirect
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Documentation for this module may be created at Module:Resolve category redirect/doc
local p = {} --Returns the target of {{Category redirect}}, if it exists, else returns the original cat. --Used by catlinkfollowr(), and so indirectly by all nav_*(). 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 (7 condensed) redirect to [[Template:Category redirect]] (as of 6/2019): [1] = '{{ *[Cc]ategory *[Rr]edirect', --most likely match 1st [2] = '{{ *[Cc]at *redirect', --444+240 transclusions [3] = '{{ *[Cc]at *redir', --8+3 [4] = '{{ *[Cc]ategory *move', --6 [5] = '{{ *[Cc]at *red', --6 [6] = '{{ *[Cc]atr', --4 [7] = '{{ *[Cc]at *move', --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