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Item Preprocessing with Regex

Video Lecture

Item Preprocessing with Regex Item Preprocessing with Regex Item Preprocessing with Regex


In this lecture, I add a pre-processing step to the item that instructs the agent to read the windows failed logon events.

The regular expressions demonstrated in this video are,

Regex Output Description
(.*) \0 Returns only the first line of the complete failed logon event text.
Account Name:\t\t(.*) \1 Returns the 1st occurrence of the Account Name in the log text, that created the event.
Account Name:(.|\n)*\tAccount Name:\t\t(.*) \2 Returns the 2nd occurrence of the Account name in the log that created the event.

Item value preprocessing

Regex 101