Null out parameters in C#?

Question

After reading on stackoverflow that in the case of checking the format of a DateTime you should use DateTime.TryParse. After trying some regex expressions they seem to get l

Answer 1

TryParse is a better option. Its just a variable that is wasted. Other options include using the Convert.ToDateTime() within a try-catch block. But again that would not be efficient because try-catch blocks are meant to be heavy. The next option is regex. This is a better solution. I guess this gives you the result instantly than compared to the others.

You can very well wrap the method like Kim Gräsman said...