Java tutorial
/* * 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 newpackage; import org.apache.commons.validator.routines.*; /** * * @author acer */ public class Validator { public static boolean validateName(String s) { if (s.contains(" ") || s.matches(".*\\d.*")) return false; else return true; } public static boolean validatePass(String s) { if (s.length() > 0) return true; else return false; } public static boolean validateEmail(String s) { if (EmailValidator.getInstance().isValid(s)) return true; else return false; } }