C# 字符串=MOMODErnMOMODE 1rnrnAPMODErnAPMODE 0rnrnPWMODErnPWMODE 0rnrnFQMODErnFQMODE 1rnrnLMMODErnLMMODE 0rnrn 用 正则表达式只保留数字 代码

string inputStr = ".MOMODE\r\n>MOMODE: 1\r\n>\r\n>.APMODE\r\n>APMODE: 0\r\n>\r\n>.PWMODE\r\n>PWMODE: 0\r\n>\r\n>.FQMODE\r\n>FQMODE: 1\r\n>\r\n>.LMMODE\r\n>LMMODE: 0\r\n>\r\n>"; string pattern = @"\D+"; string outputStr = Regex.Replace(inputStr, pattern, ""); Console.WriteLine(outputStr); //输出：110010