how to delete the remaining last word within a string in a textbox1

how can I delete the last remaining word within a string in a textbox like this;

Values in textbox1: "this is my first time of learning c#"

I have been able to delete each word from the left until the last remaining word which is "C#" using this code;

string word = textbox1.Text;  if (word.Length > 0)  {      int k = word.IndexOf(" ") + 1;      string ster = word.Substring(k);      textbox1.Text = ster;  }  

But I don't know how to delete the remaining word "C#" from the textbox1.

https://stackoverflow.com/questions/66683696/how-to-delete-the-remaining-last-word-within-a-string-in-a-textbox1 March 18, 2021 at 09:52AM