luaSplit

function split(string_,delimiter)
    local result = { }
    local from  = 1
    local delim_from, delim_to = string.find( string_, delimiter, from  )
    while delim_from do
        table.insert( result, string.sub( string_, from , delim_from-1 ) )
        from  = delim_to + 1
        delim_from, delim_to = string.find( string_, delimiter, from  )
    end
    table.insert( result, string.sub( string_, from  ) )
    return result
end