We’ve updated our Terms of Service. A new AI Addendum clarifies how Stack Overflow utilizes AI interactions.

Return to Revisions

Retina 0.8.2, 34 bytes

.*?(?=\w)(\w{10})*(\w*)(\.?)
$.23ドル

Try it online! Link includes test cases. Explanation: Skips over enough non-letters to reach the next word, then skips over multiples of 10 letters, then counts any remaining letters, and captures any ., outputting the number of remaining letters and any captured ..