Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static final boolean checkPhone(String phone) { //Pattern pattern = Pattern.compile("^((13[0-9])|(15[0-9])|(18[0-9])|(17[0-9])|(147))\\d{8}$"); Pattern pattern = Pattern.compile("^(1\\d{10})$"); Matcher matcher = pattern.matcher(phone); if (matcher.matches()) { return true; } return false; } }