Question

How to remove all non-alphanumeric characters from a string except spaces in C#

Answer 1

using System;
 
class Program
{
    static void Main()
    {
        string s = "-c#-  >>-progr{123}amm.. #$ing-";
         
        char[] arr = s.ToCharArray();
 
        arr = Array.FindAll<char>(arr, (ch => (char.IsLetterOrDigit(ch) 
                                           || char.IsWhiteSpace(ch))));
                                         
        s = new string(arr);
         
        Console.WriteLine(s);
    }
}
 
 
/*
run:
 
c  progr123amm ing
 
*/

 

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