Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean isMobileNum(String phoneNum) { boolean flag = false; try { Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$"); Matcher m = p.matcher(phoneNum); flag = m.matches(); } catch (Exception e) { flag = false; } return flag; } }