How to remove non alphanumeric characters (special characters) from a string in C# ?

Published on December 29, 2013 by abundantcode

Filed under C#

Last modified December 29, 2013

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One of the simplest way to remove non alphanumeric characters from a string is using the regular expressions . Below is a sample code snippet that demonstrates how to delete the non alphanumeric characters from a string in C#.

How to remove non alphanumeric characters (special characters) from a string in C# ?

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text.RegularExpressions;
namespace AbundantCode
{
    internal class Program
    {

        private static void Main(string[] args)
        {

            string input = "Welcome to http://www.Abundantcode.com";
            string Output = GetNonNumericData(input);
            Console.WriteLine(Output);
            Console.ReadLine();

        }
        //How to remove non alphanumeric characters (special characters) from a string in C# ?
        public static string GetNonNumericData(string input)
        {
            Regex regex = new Regex("[^a-zA-Z0-9]");
            return regex.Replace(input, "");
        }

    }

}

How to remove non alphanumeric characters (special characters) from a string in C# ?

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