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

You need to check your statement like this :

string url = "www.example.com/aaa/bbb.jpg";
string lenght = url.Lenght-4;
if(url.Lenght > 15)//eg 15
{
 string newString = url.Substring(18, lenght);
}