java提取字符串

	        String regex = "([\u4e00-\u9fa5]+)";
	        String NewArticle = "[""I love you","我爱你",null,null,1"]";
	    	String str = "";
	    	Matcher matcher = Pattern.compile(regex).matcher(NewArticle);
	    	while (matcher.find()) {
	    	str+= matcher.group(0);
	    	}
	    	
	    	System.out.println(str);