Trying to look for a specific word as an assertion but sometimes has commas

I am looking for Duck but sometimes it can come back as Duck,Goose. I want it to pass as long as Duck comes back but it fails. I am trying to use the * in XPath hoping that when it sees the Duck it will pass but the comma after it leads it to fail. C# hihgly preferred if you can see what is wrong.
string actualvalue = _IOSdriver.FindElementByXPath("*//[@name=‘Duck’]").Text;