C method of deleting duplicate characters in a string

This article shows an example of how C# removes duplicate characters from a string. Share to everybody for everybody reference. Specific implementation methods are as follows:

#region  Delete duplicate characters   

string s = "sdfffffsrlkjesgljfdg03940864e5=_0R9DTGR98YUI\\|||'\\???fdf///";  

Response.Write("<br/>String : " + s + "<br/>Result : ");  

IEnumerable<char> distinctList = s.Distinct();  

foreach (char a in distinctList)  

{  

    Response.Write(a.ToString());  

}  

  

// Use the removal method   

for (int i = 0; i < s.Length; i++)  

{  

    while (s.IndexOf(s.Substring(i, 1)) != s.LastIndexOf(s.Substring(i, 1)))  

    {  

        s = s.Remove(s.LastIndexOf(s.Substring(i, 1)), 1);  

    }  

}  

Response.Write("<hr/>Result : " + s);  

#endregion

Hopefully this article has helped you with your C# programming.