Extract the last word from a string using C#

Question

My string is like this:

string input = \"STRIP, HR 3/16 X 1 1/2 X 1 5/8 + API\";

Here actually I want to extract the last word, \'API\', an

Answer 1

var last = input.Substring(input.LastIndexOf(' ')).TrimStart();

This method doesn't allocate an entire array of strings as the others do.