Java tutorial
//package com.java2s; import java.util.regex.Pattern; public class Main { public static boolean checkMobile(final String mobile) { return Pattern.compile("^13[0-9]{9}$|14[0-9]{9}|15[0-9]{9}$|18[0-9]{9}$|17[0-9]{9}$").matcher(mobile) .matches(); } }