package test;

import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class TestFun {
	public static String fun1(){
		return "haha";
	}
	
	public static String fun2(String i){
		return i;
	}
	
	public static void main(String[] args) throws IOException {
		// ()\t\n\r\\,; 还有空格
		version2();
		
	}
	
	public static void version2() {
		Pattern pattern = Pattern.compile("[()\\\\ \t\n\r]");
		
		Matcher matcher = pattern.matcher("h elheo");
		if (matcher.find() == false) {
			System.out.println("合法字符");
		} else {
			System.out.println("非法字符");
		}
	}
}