Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

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Excel has native regex support, and it works exactly how you'd expect.

1. Selected dates can't be greater than December 2025. 2. From date can't be greater than To date. 1. Selected dates can't be greater than December 2025. 2. From date can't be greater than To date. 1.