A Deployment Professional is reviewing a custom rule that is supposed to be catching internal users that might be leakin

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A Deployment Professional is reviewing a custom rule that is supposed to be catching internal users that might be leaking information. The customer has requested that events that are being used for this rule have the email address of the sender.This information is in the payload in the format email from: [email protected] subject:Which regular expression should be used to create a custom property to fulfill this request?

A. \d(.+@[ˆ\.].*\.[a-z]{2,})\d
B. \b(.+@[ˆ\.].*\.[a-z]{2,})\b
C. C. ˆ[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}
D. D. [A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$