Online Java replaceAll() function

public class Main { public static void main(String[] args) { // Declare the source string String stringVal = "10010011"; // Define the regex pattern String regex = "0"; // Replacing all the occurrences of String "0" String objStr = stringVal.replaceAll("0", "*"); System.out.println(); System.out.println("Original String Object: "+stringVal); System.out.println("New String Object: "+objStr); System.out.println(); } }