Question

I have the following:

string test = "9586-202-10072"

How would I get all characters to the right of the final - so 10072. The number of characters is always different to the right of the last dash.

How can this be done?

Answer 1

You can get the position of the last - with str.LastIndexOf('-'). So the next step is obvious:

var result = str.Substring(str.LastIndexOf('-') + 1);

Correction:

As Brian states below, using this on a string with no dashes will result in the original string being returned.

Additional:

Since the introduction of C# 8 you can rewrite the code to use range indicator:

var result = str[(str.LastIndexOf('-') + 1)..];