https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/196377#M71783 <P>hello timothy,</P> <P>i found a lot of example for sites like example.com</P> <P>&nbsp;</P> <P>let's say i wanna exclude cdn.office.net and subdomain.cdn.office.net, what is the correct syntax?</P> <P>\.cdn\.office\.net</P> <P>\/cdn\.office\.net</P> <P>is this correct?</P> <P>&nbsp;</P> Fri, 27 Oct 2023 07:45:19 GMT CheckPointerXL 2023-10-27T07:45:19Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/150722#M71780 <P>I am trying to apply URL Filtering for the Redhat.com destination, I did not find a way to do it, I tried several regular expressions without success, I also used the ACST based on the CN of the Red Hat certificate, could you please help me? Thank you very much.</P> <P>&nbsp;</P> Tue, 14 Jun 2022 06:43:32 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/150722#M71780 Adrian2 2022-06-14T06:43:32Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/150750#M71781 <P>Look into&nbsp;<SPAN>sk106623 for examples.</SPAN></P> Tue, 14 Jun 2022 06:46:01 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/150750#M71781 _Val_ 2022-06-14T06:46:01Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/150803#M71782 <P>Regular expressions can be notoriously tricky to get working the way you want, check out this newer SK which has lots of good examples:&nbsp;<A class="cp_link sc_ellipsis" href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk165094&amp;partition=Advanced&amp;product=Application" target="_blank">sk165094: Custom Applications/Sites - Best practice</A></P> Tue, 14 Jun 2022 13:16:53 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/150803#M71782 Timothy_Hall 2022-06-14T13:16:53Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/196377#M71783 <P>hello timothy,</P> <P>i found a lot of example for sites like example.com</P> <P>&nbsp;</P> <P>let's say i wanna exclude cdn.office.net and subdomain.cdn.office.net, what is the correct syntax?</P> <P>\.cdn\.office\.net</P> <P>\/cdn\.office\.net</P> <P>is this correct?</P> <P>&nbsp;</P> Fri, 27 Oct 2023 07:45:19 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/Regular-Expressions/m-p/196377#M71783 CheckPointerXL 2023-10-27T07:45:19Z