c# take last 4 characters of string code example

Example 1: c# get last character of string

string str = "Hello World";
string substr = str.Substring(str.Length - 1);

Example 2: c# get last two characters of string

var result = str.Substring(str.Length - 2);

Example 3: c# get last 3 characters of string

var result = input.Substring(input.Length - 3);