in reply to Stopping excessive periods in email

I'm not sure your regex does what you say it does. You say it looks for two at signs and then a comma and then the periods. As I read it, it looks for two at signs OR a comma OR periods OR a return. So any string that has one of these will match. Specifically, the following match:

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Re^2: Stopping excessive periods in email
by htmanning (Friar) on Jul 20, 2021 at 19:19 UTC
    That's correct. That's what I'm after.

    Thanks!

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