c# working with strings practice.

Question

The problem is as follows:
You are creating an authentication system.
The password shouldn't contain any of these symbols:
char[] notAllowedSymbols = { '!', '#', '

Answer 1

Hi guys ,It's work for me

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string password = Console.ReadLine();
char[] notAllowedSymbols = { '!', '#', '#x27;, '%', '&', '(', ')', '*', ',', '+', '-' };

//your code goes here
for(int i= 0;i<notAllowedSymbols.Length;i++)
{
if(password.Contains(notAllowedSymbols[i])){
Console.WriteLine("Invalid");
break;
}
else{}
}

}
}
}

Answer 2

ignore me please i'm a dummy. the break wasn't sufficient to stop it from printing multiple times. I figured it out.

Answer 3

Awesome that you figured it out yourself! Great job

Answer 4

It's work for me

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string password = Console.ReadLine();
char[] notAllowedSymbols = { '!', '#', '#x27;, '%', '&', '(', ')', '*', ',', '+', '-' };
if (password.Length == 0)
{
Console.WriteLine("Invalid");

}
else
for (int i = 0; i < notAllowedSymbols.Length; i++)
{
if (password.Contains(notAllowedSymbols[i]))
{
Console.WriteLine("Invalid");
break;
}
}

}
}
}