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How to subtract a string from value field

Engager

I Need to know to subtract a string from the begining of a value until a specific character in Spl. For example, if I have a field who contains emails or another data:
MAIL FROM: YYYY@XXXXX.com BODY=7BIT
How to get just the email address YYYY@XXXXX.com
Thanks for the help.

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SplunkTrust
SplunkTrust

This is very similar to your earlier question, but the example is different and so is the answer. This rex command will put the email address in the emailAddr field.

... | rex field=foo "(?<emailAddr>[^\s]+)" | ...
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If this reply helps you, an upvote would be appreciated.
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