标签： linux shell
我有字符串
/logoDown?path=logo/5402eca1b4a0e/Lighthouse.jpg&isLogo=1&fileType=jpg
现在我想用logo替换单词sep/2014/09/03/past/，以便新字符串变为
logo
sep/2014/09/03/past/
/logoDown?path=sep/2014/09/03/past/5402eca1b4a0e/Lighthouse.jpg&isLogo=1&fileType=jpg
由于