Module:Template redirect regex/sandbox

Documentation for this module may be created at Module:Template redirect regex/sandbox/doc

local p = {}
--returns a table of regular expressions, sorted by descending popularity, for a parent template and all redirects to it as of a certain date, or nil
--regex for the 1st pipe and surrounding whitespace are purposefully omitted to give the calling modules more flexibility
function p.main( template )
--expand the following table as-needed, following the same regex and comment format
local tCanonical_templates = {
['Category redirect'] = {
--the following 11 pages (6 condensed) redirect to {{Category redirect}}, as of 2022/9:
'{{ *[Cc]ate?g?o?r?y?[ _]*[rR]edirect',	--parent+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
},
['Taxonbar'] = {
--the following 6 pages (3 condensed) redirect to {{Taxonbar}}, as of 2023/8:
'{{ *[Tt]axon?[ _-]?[bB]ar',		--parent+50+11+2+2 transclusions
'{{ *[Tt]axon[Ii]ds',				--45
'{{ *[Tt]axon[ _]*[iI]dentifiers',	--1
},
}
return tCanonical_templates[template] or nil
end
return p