Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { private static boolean isPhoneNumber(String number) { Pattern pattern = Pattern.compile("^(13[0-9]|15[0-9]|153|15[6-9]|180|18[23]|18[5-9])\\d{8}$"); Matcher matcher = pattern.matcher(number); if (matcher.matches()) { return true; } return false; } }