@a_shibuya it is definitely not a standard rule that you can put on a card button since there has to be a program that will inspect the card name or description for a date and it has to determine it is in the right format. If you have a form/app that captures a date from the user that will make it a whole lot easier because you can feed this into Trello when creating a card.
Hello Community! My name is Brittany Joiner and I am a Trello enthusiast and Atlassian Community Leader. I'll be sharing with you a series of videos with my top tips on how to best use Trello...
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