Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean isMobileNO(String params) { String str = "^((13[0-9])|(15[^4,\\D])|(17[^4,\\D])|(18[0-9]))\\d{8}$"; Pattern p = Pattern.compile(str); Matcher m = p.matcher(params); return m.matches(); } }