Java正则表达式,提取双引号中间的部分方法

<code class="language-java">String str="this is \"Tom\" and \"Eric\"， this is \"Bruce lee\", he is a chinese, name is \"李小龙\"。"; 
 Pattern p=Pattern.compile("\"(.*?)\""); 
Matcher m=p.matcher(str); 
int i=0; 
while(m.find()) 
{         
       str=str.replace(m.group(),""+(i++)); 
} 
System.out.println(str);</code>