Regular Expressions 101

Sponso⁠rs

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Regular ExpressionOpen Workspace

/
^(?!(Received.*88\.99\.88\.99.*mail\.bbbrucable\.net)).*$
/
i

Description
Created·2016-07-18 11:29
Type·Match
Flavor·PCRE (Legacy)

Example how to inverse match. Usable for postfix, when you need reject spoofing emails.

Submitted by www.alan.lt
Open Workspace