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 matchMobilNo(String num) { if (TextUtils.isEmpty(num)) { return false; } String reg = "^((13[0-9])|(14[5,7])|(15[^4,\\D])|(17[0,6,7])|(18[0-9]))\\d{8}$"; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(num); boolean flag = matcher.matches(); return flag; } }