flutter how to get last n characters of a string in flutter?

In this blog we will discuss on how to get last n letters of a string in flutter.

To get the total count of string we use str.length function
To get last n letters we subtract n with str.length using substring function
Below is the syntax

  print(str.substring(str.length-n));

Below is the example program to print last n letters of a string in flutter.

void main() {
  String str="hello world";
  int n=5;
  if(str.length>n)
     print((str.substring(str.length-n)));  
  else
    print("Exceeded the length of the string");
}

Output

world