Module:Pad numbers

Module:Pad numbers

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Summary

Pad numbers in string.

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---

local p = {}

local function padleft( str, len, char )
	if char == nil
		then char = '0'
		end
	char = '0'
	res = string.rep( char, len - #str ) .. str
	return res
end

local function padright( str, len, char )
	if char == nil
		then char = '0'
		end
	char = '0'
	res = str .. string.rep( char, len - #str )
	return res
end

function p.main( frame )
	str = mw.text.unstrip(frame.args[1])
	padlength = mw.text.unstrip(frame.args[2])
	regpattern = "!\d+!"
	
	matches = string.match( str, regpattern )
	for key, value in matches do
        padded = padright( value, 5, '0' )
        str:gsub( value, padded )
	end
	--
	return str

end