How to generate a random string, and specify the length you want, or better generate unique string on specification you want

Question

There is a library to generate Random numbers, so why isn\'t there a library for generation of random strings?

In other words how to generate a random string, and sp

Answer 1

How about

string.Join("", Enumerable.Repeat(0, 100).Select(n => (char)new Random().Next(127)));

or

var rand = new Random();
string.Join("", Enumerable.Repeat(0, 100).Select(n => (char)rand.Next(127)));