Check if a string contains date or not

Question

Given a string \"15:30:20\" and \"2011-09-02 15:30:20\", How can I dynamically check if a given string contains date or not?

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Answer 1

Use DateTime.TryParseExact Method.

string []format = new string []{"yyyy-MM-dd HH:mm:ss"};
string value = "2011-09-02 15:30:20";
DateTime datetime;

if (DateTime.TryParseExact(value, format, System.Globalization.CultureInfo.InvariantCulture,System.Globalization.DateTimeStyles.NoCurrentDateDefault  , out datetime))
   Console.WriteLine("Valid  : " + datetime);
else
  Console.WriteLine("Invalid");