I need help. String a = Console.Readline (); İf ( a!= number) ... a must be number if isnt number console.writeline ( "no")

Answer 1

oh, haha) I m a beginner) So reading is hard)

Answer 2

so hard to read your code...really...

Answer 3

you may use bool

Answer 4

Thanks i found

Answer 5

using System;
using System.Linq;

// https://www.sololearn.com/Discuss/789684/?ref=app

namespace SoloLearn
{
class Program
{
static void Main(string[] zephyr_koo)
{
var input = "jdiu8488HG+;+$jxjB67z"; // Console.ReadLine();

Console.WriteLine(GetByLetterFilter(input));
}

static string GetByLetterFilter(string input)
{
return new string(input.Where(c => char.IsLetter(c)).ToArray());
}
}
}

Answer 6

Finnaly not char.IsLetter

Answer 7

Is.Digit

Answer 8

But not my code:))

Answer 9

https://msdn.microsoft.com/tr-tr/library/0c899ak8.aspx you can find