C#

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);

string str = "abc, d.e f,g h,i. J,k";
           str = str.Replace(',',' ');
           str = str.Replace('.', ' ');
           Console.WriteLine(str);

//Getting rid of commas ,
strComma = ",";
strReplace = string.Empty;
Regex Re = new Regex(strComma);
string newstring = Re.Replace(str,strComma,strReplace);
//Do the same for .

Abhinav S wrote:

string.Rmpty;

string str = "abc, d.e f,g h,i. J,k";
str = str.Replace(',', string.Empty).Replace('.', string.Empty);

String[] Arr = { "A, B, C", "B, A, C", "C, A", "B, C, A", "D, A, N, V", "N, W, B, A" };

            string uniqueCharacters = string.Empty;

            foreach (string str in Arr)
            {
                List<string> values = str.Split(',').Distinct().ToList();
                values.ForEach(x => uniqueCharacters = !uniqueCharacters.Contains(x.Trim()) ? uniqueCharacters + "," + x : uniqueCharacters);

            }

            uniqueCharacters = uniqueCharacters.Remove(0, 1);

string[] vals = text.Split(',').Select(t => t.Trim()).Distinct().ToArray();

string[] vals = string.Join(",", arr) // join to make one string
    .Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries) // split to array
    .Select(t => t.Trim()) // trim each entry
    .Distinct() // ensure unique
    .ToArray(); // back to array