/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package lang; /** * * @author (C)Y.D.Zakovryashin, 14.11.2022 */ public class DemoString { public static void main(String[] args) { String s = "askjfsj akfkdjfal askdfjlasj asldkjflasj 1234"; // String[] as = s.split("\\s+"); // for (String t: as) { // System.out.println(t); // } System.out.println(s.replaceAll("\\p{Digit}", "*")); String n = "2202 2202 2222 2222"; String t = n.substring(5, 14); String x = "**** ****"; n = n.replace(t, x); System.out.println(n); } }