Finding the Original Email Address in Chain of Emails

Hello! i am trying to find the original sender of an email.

Example: Person0 sends email to Person1. Person1 then Forwards that email to Person2.

Now, the robot see’s the email with the perspective of Person2, seeing the original email Person0 sent, and the Forwarded Message Person1 sent.

Is there a way to get the email from Person0? so, going down the ladder and finding the original email

Hello @tonyspizza

This should be possible using Regex.

can you provide a sample, and confirm the expected output.

Any information on the pattern would be good.