Java 图片地址全部路径与相对路径替换

   public static void main(String[] args) {       String url="http://www.oicp.net:34919/b2b2c/attachment/ueditor/2017/7/5/19//23077526.jpg";       if(url.contains("http:/")){           int head = url.indexOf("http:/");           int end = url.indexOf("attachement");           url=url.replaceAll("http://.+?attachment", "fs:/attachment");           System.out.println(url);        }    }