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();          }   }  }