Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean existZH(String str) { String regEx = "[\\u4e00-\\u9fa5]"; Pattern p = Pattern.compile(regEx); Matcher m = p.matcher(str); while (m.find()) { return true; } return false; } }