Roberto von Archimboldi on Nostr: experimenting, I don't understand. The third group of five is 45 in my spreadsheet. ...

experimenting, I don't understand. The third group of five is 45 in my spreadsheet. Groups 1, 4, 5 return an empty string, 2 returns 30 and 3 returns 45. '[0-9]*,,6' returns N/A