C# - Substring: index and length must refer to a location within the string

Question

I have a string that looks like

string url = \"www.example.com/aaa/bbb.jpg\";

\"www.example.com/\" is 18 fixed in length. I want to get th

Answer 1

Try This:

 int positionOfJPG=url.IndexOf(".jpg");
 string newString = url.Substring(18, url.Length - positionOfJPG);