Postcode - using a while loop | C# Online Compiler

Postcode - using a while loop by 7mkskumar

using System;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine("Please enter postcode.");
		string postcode = Console.ReadLine();
		postcodeLength = postcode.Length;
		
		while (postcodeLength<6 || postcodeLength>8)
		{
		   Console.WriteLine("Invalid passcode, please re-enter it.");
		    string postcode = Console.ReadLine();
		}
	}
}

 
using System;
                    
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Please enter postcode.");
        string postcode = Console.ReadLine();
        postcodeLength = postcode.Length;
        
        while (postcodeLength<6 || postcodeLength>8)
        {
           Console.WriteLine("Invalid passcode, please re-enter it.");
            string postcode = Console.ReadLine();
        }
    }
}

isEmptyAvailable && uri != null && string.IsNullOrWhiteSpace(uri)

isEmptyAvailable == False & uri == null -> False
isEmptyAvailable == True & uri == null -> False
isEmptyAvailable == True & uri == "" -> True
isEmptyAvailable == True & uri == " " -> True
isEmptyAvailable == True & uri == text -> False

isEmptyAvailable && uri?.Trim() == string.Empty

isEmptyAvailable == True & uri == null -> False
isEmptyAvailable == True & uri == "" -> True
isEmptyAvailable == True & uri == " " -> True
isEmptyAvailable == True & uri == text -> False

Last Run:	1:01:26 pm
Compile:	0.012s
Execute:	0.05s
Memory:	2.87Mb
CPU:	0.062s

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