Module:Replace

Documentation for this module may be created at Module:Replace/doc

return {
	repl = function(frame)
		local args = frame.args
		local argc = 1
		local function nextarg() argc = argc + 1 return args[argc - 1] end
		local input_data = args["in"] or nextarg()
		if not input_data then error "No input data (parameter 'in' or #1)" end
		local named = not not args.match1
		local repl_count = 0
		while true do
			repl_count = repl_count + 1
			local matcher = named and args["match"..repl_count] or nextarg()
			local replacement = named and args["repl"..repl_count] or nextarg()
			if not (matcher and replacement) then 
				error("Incomplete match/replacement pair #" .. repl_count)
			end
			input_data = input_data:gsub(matcher, replacement)
		end
		return input_data
	end
}