Module:Decimal-align

--Align numbers in table cells on the decimal point	
local p = {}

function p.main(frame)
	local input_string_raw = frame.args[1]
	string = frame:preprocess( input_string_raw )

	local left_percent = frame.args[2]
	if not left_percent then
		left_percent = 50
	end
	right_percent = 100 - left_percent
	
	for number in mw.ustring.gmatch( string, '%|[%d%.,]+' ) do
		left = mw.ustring.sub(mw.ustring.match(number, '^%|[%d, ]*'),2)
		right = mw.ustring.match(number, '%.[%d ]*$')
		if left=='' then left='0' end
		formatted_number = '%|<span style="float: left; text-align: right; width: ' .. tostring(left_perent) .. '%;">' .. left .. '</span>'
		if right then
			formatted_number = formatted_number .. '<span style="float: right; text-align: left; width: ' .. tostring(right_percent) .. '%;">' .. right .. '</span>'
		end
		string = mw.ustring.gsub( string, number, formatted_number )
	end

	return string
	end

return p
Usage
