package powerJavaLearning; public class FindSumOfNumbersApproachRegex { /*Write a java code to find the sum of the given numbers Input: "asdf1qwer9as8d7" output: 1+9+8+7 = 25 */ public static void main(String[] args) { String input ="asdf1qwer9as8d7"; //using mathematical operation System.out.println("logic using mathematical operation"); int number=Integer.parseInt(input.replaceAll("[^0-9]", "")); int sumAp2=0; while (number>0) { sumAp2=sumAp2+number%10; number=number/10; } System.out.println("Sum of Integers "+sumAp2); } }