Suppose I have a string:
\"34234234d124\"
I want to get the last four characters of this string which is \"d124\". I can use <
\"d124\"
Update 2020: C# 8.0 finally makes this easy:
> "C# 8.0 finally makes this easy"[^4..] "easy"
You can also slice arrays in the same way, see Indices and ranges.