Here is a simple example to remove all special characters using RegularExpression:-
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace ConsoleApplication2
{
class Program
{
static void Main (string[] args)
{
string inputString = "1/10 EP Sp'arrowha?wk XT R;TR 2.4GHz R\\ed";
Console.WriteLine(inputString);
Console.ReadLine();
Regex re = new Regex("[;\\\\/:*?\"<>|&']");
string outputString = re.Replace(inputString, " ");
Console.WriteLine(outputString);
Console.ReadLine();
}
}
}