Module:String
From MINR.ORG WIKI
Documentation for this module may be created at Module:String/doc
local str = {} function str.len( frame ) return mw.ustring.len( frame.args.s ) end function str.sub( frame ) 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 0 local len = tonumber( frame.args.len ) return mw.ustring.sub( frame.args.s, i + 1, len and ( i + len ) ) end function str.match( frame ) return mw.ustring.match( frame.args.s, frame.args.pattern, tonumber( frame.args.i ) ) end return str