java正则表达式抽取html数据

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PersonalData
{
public static void main(String[] args) throws Exception{
URL url= new URL("http://www.baidu.com/s?wd=000897");
URLConnection urlConnection=   url.openConnection();
BufferedReader br=new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
String str="";
StringBuffer content=new StringBuffer();
while((str=br.readLine())!=null){
content.append(str);
}
br.close();
String regx1="<b style=\"font-size: 1.4em; text-align:center;color:#.*;\">(.*?)</b>(.*?)<b style=\"font-size: 1.1em; color:#.*;\">(.*?)</b>(.*?)开盘:</td> <td style=\"(.*?)\">(.*?)</td>(.*?)<td style=\"  color:#.*;width:91px;\">(.*?)</td>(.*?)<td style=\"  color:(.*?);width:91px;\">(.*?)</td>";
Pattern p= Pattern.compile(regx1);
String text=content.toString();
Matcher  macher =p.matcher(text);
while(macher.find()){
System.out.println("现价："+macher.group(1).trim());
System.out.println("幅度："+macher.group(3).trim());
System.out.println("开盘价："+macher.group(6).trim());
System.out.println("最高："+macher.group(8).trim());
System.out.println("最低："+macher.group(11).trim());
}
}
}