我想从如下内容中提取url:{"code":0,"data":{"cdnFileUrl":"http://download.example.com.cn/download/product/mi/rules/example_url_201902123.pkg","code":0,"message":"success","packageVersion":"20190219141705"},"message":"success"}使用如下命令可以得到正确结果:catinfo1.txt|grep-Po'"cdnFileUrl":"[0-9a-zA-Z/-:._]+"'|awk-F'"''{print$(NF-1)}'http://download.example.com.cn/download/product/mi/rules/example_url_201902123.pkg可是现在对接的部门更改了连接形式,在链接中加了个问号,我搜了下问号应该要特殊处理,但是不知道如何搞,更改后的信息如下:{"code":0,"data":{"cdnFileUrl":"http://download.example.com.cn/download/product/mi/rules/example_url_201902123.pkg?secret3u4o3dbhj","code":0,"message":"success","packageVersion":"20190219141705"},"message":"success"}那么如何提取出来http://download.example.com.cn/download/product/mi/rules/example_url_201902123.pkg?secret3u4o3dbhj
精慕HU
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