How to check if a string is a valid date

Question

I have a string: \"31-02-2010\" and want to check whether or not it is a valid date. What is the best way to do it?

I need a method which which returns

Answer 1

Similar to the solution by @ironsand, I prefer to create an overridden instance method on String:

class String
  def valid_datetime?
    to_datetime
    true
  rescue ArgumentError
    false
  end
end