Java tutorial
//package com.java2s; import android.text.TextUtils; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean checkPhone(String num) { String mobile = num; if (TextUtils.isEmpty(mobile)) { return false; } String exp = "(1)[0-9]{10}$"; Pattern p = Pattern.compile(exp); Matcher m = p.matcher(mobile); boolean isPhoneNum = m.matches(); return isPhoneNum; } }