求好手帮忙 解析一个字符串

求高手帮忙 解析一个字符串？

{
"info":{
"type":45,
"error":0,
"time":69
},
"detail":{
"city":"郑州市",
"district":"中原区",
"gps_type":"5",
"name":"中原路立交桥",
"pcd_conflict_flag":"0",
"pointx":"113.584757",
"pointy":"34.754009",
"province":"河南省",
"query_status":"0",
"server_retcode":"0",
"similarity":"0.712545"
}
}

解析这个字符串  ，获取里面的pointx和pointy对应的值
[解决办法]
string[] result = Regex.Matches(文本, @"\d(2,3)\.\d+").Cast<Match>().Select(x => x.Value).ToArray();
[解决办法]

 
string str="字符串";
 Match m = Regex.Match(str, @"(?is)""pointx"":""(\d+(\.\d+)?)"".*?""pointy"":""(\d+(\.\d+)?)""");
            Console.WriteLine(m.Groups[1].Value);
            Console.WriteLine(m.Groups[3].Value);

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