YZStr.java 728 字节
package com.espeed.text;

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

public class YZStr {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			//Pattern p = Pattern.compile("^([a-z0-9A-Z]+[_\\-\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$");
			//Matcher m = p.matcher("planner.model.ejt.TPageViewImpl@371888086.PageContext-540176844016582666");
			//String a="xietong@qq.com";
			//System.out.println(a.split("@").length);
			String a="Return-Path: <274603467@qq.com></br>Delivered-To: info@21gmail.com</br>X-TX-TID";
			
			String b=a.replaceAll("</br>", "\n");
			System.out.println(b);
			
		} catch (Exception e) {
			e.printStackTrace();
		}
		

	}

}