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Advanced Content Filtering [message #145445] Thu, 04 April 2019 16:44 Go to next message
lehnbe is currently offline  lehnbe
Messages: 2
Registered: April 2019

is there a document that describes the syntax of the regular expressions used at the advanced content filtering. There are two default filter.
I don't understand the syntax of the for example "CONTENT POLICY: Block Visa, MasterCard, American Express Credit Card Number Content" filter.

Re: Advanced Content Filtering [message #145622 is a reply to message #145445] Wed, 24 April 2019 08:29 Go to previous message
Paul Brause is currently offline  Paul Brause
Messages: 13
Registered: April 2019
Location: Germany
There is no documentation about the use of the regex syntax in GFI ME.
I opened a ticket in 2016 but the support could not help me (as they did not quit understood what I was asking for).

The syntax of the "credit card filter" is very complicated to "read" like every regular expression.
The filter is scanning for the numbers that matches the pattern like this: 4052 1976 2589 1253

You may check the regex pattern online:

I've had some issue to use the regex pattern you can generate on this website for my GFI Mailessenials advanced content filter, but unfortunately I don't remember which
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