Module:Check card number
Module documentationRudimentary Card Number validity check for Template:R from card number.
-- super rudimentary check for potentially invalid card numbers
local p = {}
function p.check()
local page = mw.title.getCurrentTitle()
local isRedirect = page.isRedirect
local targets = {}
if isRedirect then
local target = page.redirectTarget
if target then
table.insert( targets, target.prefixedText )
end
else
local pageSrc = page:getContent()
if pageSrc:find( '[Dd]isambig' ) then
for target in mw.text.gsplit( pageSrc, '%[%[' ) do
table.insert( targets, target:match( '^([^%]|]-)%]%]' ) or target:match( '^([^%]|]-)|[^%]]-%]%]' ) )
end
else
-- current page isn't a redirect or a dabpage, just return without doing anything
return
end
end
local searchStr = ( '%s%s;' ):format( '%s', page.prefixedText:gsub( '%-', '%%-' ) )
for _, target in ipairs( targets ) do
local success, targetTitle = pcall( mw.title.new, target )
if success and targetTitle then
local targetSrc = targetTitle:getContent()
if not targetSrc or not targetSrc:find( searchStr ) then
return isRedirect and '[[Category:Potentially invalid card number redirects]]' or '[[Category:Card number disambiguation pages to be checked]]'
end
end
end
return
end
return p
