How to sort out numeric strings as numerics?

Question

If you have strings like:

\"file_0\"
\"file_1\"
\"file_2\"
\"file_3\"
\"file_4\"
\"file_5\"
\"file_6\"
\"file_11\"

how can you sort them so

Answer 1

Do I have to parse the string and convert it into a number for this?

Essentially, yes; but LINQ may help:

var sorted = arr.OrderBy(s => int.Parse(s.Substring(5)));
foreach (string s in sorted) {
    Console.WriteLine(s);
}