C# regexp将一个变量放入另一个变量的regexp值中

如何将我的var userId放入regexp

string userId = "ololoawd";

string did = Regex.Match(content, @"""dID"":""(.*?)"",""dOF"":true,""dOID"":"" + userId + "",""usS"":").Groups[1].Value;

---

您没有指定预期的输出。我所能看到的是，在将userId连接到中之前，没有正确终止第一个字符串。请尝试以下操作：

string userId = "ololoawd";
string did = Regex.Match(content, @"""dID"":""(.*?)"",""dOF"":true,""dOID"":""" + userId + @""",""usS"":").Groups[1].Value;

string userId = "ololoawd";
string did = Regex.Match(content, @"""dID"":""(.*?)"",""dOF"":true,""dOID"":""" + userId + @""",""usS"":").Groups[1].Value;