Module:String: Difference between revisions

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en>Tim Starling
(have sub return more than one character (broken by ID 538979768))
en>Anomie
(+ substr variant that takes a length instead of an ending position)
Line 7: Line 7:
function str.sub( frame )
function str.sub( frame )
return mw.ustring.sub( frame.args.s, tonumber( frame.args.i ), tonumber( frame.args.j ) )
return mw.ustring.sub( frame.args.s, tonumber( frame.args.i ), tonumber( frame.args.j ) )
end

function str.sublength( frame )
local i = tonumber( frame.args.i ) or 1
local len = tonumber( frame.args.len )
return mw.ustring.sub( frame.args.s, i, len and ( i + len - 1 ) )
end
end