get all characters to right of last dash

Question

I have the following:

string test = \"9586-202-10072\"

How would I get all characters to the right of the final - so 10072. Th

Answer 1

test.Substring(test.LastIndexOf("-"))

Answer 2

See String.lastIndexOf method

Answer 3

string tail = test.Substring(test.LastIndexOf('-') + 1);