ExpandCipher

import java.io.IOException;
import java.util.Scanner;


public class ExpandCipher {

    public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        System.out.println("Input the encrypted string");
        String sInput = scan.nextLine();
        scan.close(); // Free scanner since we no longer need to get data
        String s[] = sInput.split("(?<=\\D)(?=\\d)|(?<=\\d)(?=\\D)");
        char cI = 0;
        for(String s1:s)
        {
            if(!Character.isDigit(s1.charAt(0)))
                cI = s1.charAt(0);
            else
                {
                    int repeat = Integer.parseInt(s1);
                    for(int i = 0; i < repeat; i++)
                        System.out.print(cI);
                }
        }

    }

}