Java使用正则表达式搜索文本内所有的email地址并打印出来

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class SearchAddress {//TODO 创建查找地址类
    /**
     * @author liuxuewei
     */
    public static void main(String []args) throws IOException{
        try {
             BufferedReader in=new BufferedReader(new FileReader("<a href="F://Java">F://Java编程//text1.txt"));
             Pattern regex=Pattern.compile("(\w[-.\w]*\@[-a-z0-9]+(\.[-a-z0-9]+)*\.(com|edu|info))",Pattern.CASE_INSENSITIVE|Pattern.MULTILINE);
             String tempstr=new String();
             String str=new String();
             String find=null;
             while((tempstr=in.readLine())!=null){
                 str=str+tempstr+"n";
             }
             Matcher mat=regex.matcher(str);
              while(mat.find()){//TODO 测试regex
                 find=mat.group(1);
                 System.out.println("Find:"+find);
                 System.out.println("匹配的正则式:"+regex.pattern());//输出匹配的正则表达式
              }
              if(find==null)
                  System.out.print("Can't Find");
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
 }
}