New Post: Chaining validators with "Or" syntax

Hi,

I have a Expiry Date property the can have either Date or Relative Expiration Date.

• In case of Date the format should be "dd-MMM-yyyy".
• In case of Relative Expiration Date the format should be, for example, "3W" for three weeks.
  

The validation should pass if any of the validators passes.

How would I define it using Fluent Validation?

pseudo code:

RuleFor(dto => dto.ExpiryDate).IsValidDate().Or().IsValidRaltiveDateExpression()

Where IsValidDate() and IsValidRaltiveDateExpression() are extension methods to set the validators and Or() is what I'm after.