31 lines
1.0 KiB
C#
31 lines
1.0 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace SimpleToolkit.Extensions
|
|
{
|
|
public static class StringExtensions
|
|
{
|
|
public static string CreateRandom(int length) => CreateRandom(length, "QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890`~!@#$%^&*()-_=+[{]};:'\"\\|,<.>/?");
|
|
public static string CreateRandom(int length, IEnumerable<char> characters) => new string(Enumerable.Repeat(characters, length).Select(s => s.ElementAt(Random.Shared.Next(s.Count()))).ToArray());
|
|
|
|
public static string Shuffle(this string instance)
|
|
{
|
|
char[] array = instance.ToCharArray();
|
|
Random rng = Random.Shared;
|
|
int n = array.Length;
|
|
while (n > 1)
|
|
{
|
|
n--;
|
|
int k = rng.Next(n + 1);
|
|
char value = array[k];
|
|
array[k] = array[n];
|
|
array[n] = value;
|
|
}
|
|
return new string(array);
|
|
}
|
|
}
|
|
}
|