適当に英字を生成(using LINQ)

DummyString.cs

using System.Linq;
using Random = UnityEngine.Random;


    public class DummyString
    {
        public static string Generate(int length)
        {
            return new string(Enumerable.Range(0, length).Select(i => Generate()).ToArray());
        }

        public static char Generate()
        {
            return  _table[Random.Range(0,_table.Length)];

        }
        
        private const string  _table ="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
        
        
    }