package com.iwhalecloud.picedit;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Test
{
    public static void main(String[] args){
        String url="data:image/gif;base64,R0lGODl";
        String ma = "^data:image/+(.*?)+;base64,";
        Pattern p = Pattern.compile(ma);
        Matcher m = p.matcher(url);
        while (m.find())
        {
             System.out.println(m.group()+"   位置：["+m.start()+","+m.end()+"]");
            url = url.replace(m.group(), "");
        }
         System.out.println(url);

    }
}