Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean ifHasOnlyStr(String str) { String strPattern = "[a-zA-Z\u4e00-\u9fa5]+$"; Pattern p = Pattern.compile(strPattern); Matcher m = p.matcher(str); return m.matches(); } }