Sort strings in natural order (numbers are inside are treated by value).

str-natural-sort.jl

# done by Sebastian Pfitzner

function naturalsort(x::Vector{String})
    f = text -> all(isnumber, text) ? string(Char(parse(Int, text))) : text
    sorter = key -> join(f(c) for c in matchall(r"[0-9]+|[^0-9]+", key))
    sort(x, by=sorter)
end

# see https://blog.codinghorror.com/sorting-for-humans-natural-sort-order/