using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var s = "\"C:\\My Program\\Sample Folder\\SubFolder2\\MyApp1.exe\" -parameter13XY1 -parameter101XZ2";
var r = Regex.Replace(s, "^\"([^\"]*)\".*$", "$1");
Console.WriteLine(r);
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpwdWJsaWMgY2xhc3MgVGVzdAp7CglwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCgl7CnZhciBzID0gIlwiQzpcXE15IFByb2dyYW1cXFNhbXBsZSBGb2xkZXJcXFN1YkZvbGRlcjJcXE15QXBwMS5leGVcIiAtcGFyYW1ldGVyMTNYWTEgLXBhcmFtZXRlcjEwMVhaMiI7CnZhciByID0gUmVnZXguUmVwbGFjZShzLCAiXlwiKFteXCJdKilcIi4qJCIsICIkMSIpOwpDb25zb2xlLldyaXRlTGluZShyKTsKCX0KfQ==