Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean isMobileNO(String mobiles) { boolean flag; try { Pattern p = Pattern.compile("^((13[0-9])|(14[0-9])|(15[^4,\\D])|(18[0-9])|(17[0-9]))\\d{8}$"); Matcher m = p.matcher(mobiles); flag = m.matches(); } catch (Exception e) { flag = false; } return flag; } }