C#

string str = "abc, d.e f,g h,i. j,k";
          string[] arr = str.Split(',', '.'); // remove all , and .
          foreach (string str1 in arr)
          {
              Console.Write(str1);    //output abc de fg hi jk
          }

Henry Minute wrote:

That doesn't remove them, it just shows them.

string str = "abc, d.e f,g h,i. j,k";
string[] arr = str.Split(',', '.'); // remove all , and .
foreach (string str1 in arr)
{
    Console.Write(str1);
}
Console.Write(str);  //<=================== Added line prints original string

Henry Minute wrote:

What do you get when you run that?

RaviRanjankr wrote:

he greet me for my answer

string str = "abc, d.e f,g h,i. j,k";
           string[] arr = str.Split(',', '.'); // remove all , and .
           str = string.Empty;    // Changes here
           foreach (string str1 in arr)
           {
               str += str1;
           }
           Console.WriteLine(str);   //output abc de fg hi jk

str.Replace("," , yourValue);