Module:CheckWikidataID

local p = {} -- This checks whther the first unknown parameter represents a valid entity-id. -- It returns the strings "true" or "false" -- Change false to nil in line 6 to return "true" or "" (easier to test with #if:) function p.checkValidity(frame) if (mw.wikibase.isValidEntityId(frame.args[1] or "")) then return true else return false end end return p