Funny this question came up ... I was in the process of reviewing the critieria I have on numerous IP fields for checking validity. It seems I'm allowing .0 in the fourth octet and probably should not be. I've been trying to decipher what each line means. I haven't looked up what the carrot in line 4 means yet. We have 15 IP fields I have to validate.
I had been given the following Run IF and have been using it in filters. *( 'Subnet' != $NULL$ ) **AND** * *(NOT (( 'Subnet' LIKE "[0-9]%.[0-9]%.[0-9]%.%[0-9]" ) **AND** * *(NOT ( 'Subnet' LIKE "%.%.%.%.%" )) **AND** * *(NOT ( 'Subnet' LIKE "%[^0-9.]%" )) **AND** * *(NOT ( 'Subnet' LIKE "%[0-9][0-9][0-9][0-9]%" )) **AND** * *(NOT ( 'Subnet' LIKE "%[^12.][0-9][0-9]%" )) **AND** * *(NOT ( 'Subnet' LIKE "%25[6-9]%" )) **AND** * *(NOT ( 'Subnet' LIKE "%2[6-9][0-9]%" )) **AND** * *(NOT ( 'Subnet' LIKE "%.0[0-9]%" )) **AND** * *(NOT ( 'Subnet' LIKE "0[0-9]%" )) **AND** * *(NOT ( 'Subnet' LIKE "0.0.0.0" ))))* ** *Susan* On 5/7/07, Thad K Esser <[EMAIL PROTECTED]> wrote:
** There was a discussion about IP Validation last June. Search the archives for messages with the subject line: "Need IP Validation workflow from ITSM 5.6" *Thad Esser* Remedy Developer "*Argue for your limitations, and sure enough, they're yours."*-- Richard Bach *"Durrant, Michael M. - ITSD" <[EMAIL PROTECTED]>* Sent by: "Action Request System discussion list(ARSList)" < [email protected]> 05/04/2007 10:52 AM Please respond to [email protected] To [email protected] cc Subject Re: IP Address Pattern matching Thanks for the suggestions Joe and Axton - I think I'm going to take the display-only fields route and concatenate that. Another (much more complex) idea I had was creating a filter API plugin that would provide either a) specific content-based formatting or b) standard regular expressions. If AR System had "standard" (as opposed to their hack of an implementation) regex capabilities, I would be very very very happy. Michael Durrant [EMAIL PROTECTED] Share what you know. Learn what you don't. -----Original Message----- From: Action Request System discussion list(ARSList) [mailto:[EMAIL PROTECTED] On Behalf Of Axton Sent: Friday, May 04, 2007 10:52 AM To: [email protected] Subject: Re: IP Address Pattern matching You could also parse the char value and write each octet to an integer field, in which case testing the limits becomes much easier. Each octet is an 8-bit value, comparative operations against an integer for this type of data is much easier with a data type that easily represents the true value. A 3 character string is really 24-bit for single byte characters and up to 48-bit for double-byte characters... This is not the best way to store the data to test it the way you want. Although, if you converted the represented 8-bit value from a string into a character, you could easily test it. Axton Grams On 5/4/07, Joe D'Souza <[EMAIL PROTECTED]> wrote: > I didn't think of the 000 possibility.. I guess besides checking the > length, if you use the solution I suggested earlier, you would need to > check these possibilities too and eliminate them.. and then concatenate the 4 values.. > > Also make sure you think ahead for IP6 and make allowances for that too.. > > Joe > > -----Original Message----- > From: Action Request System discussion list(ARSList) > [mailto:[EMAIL PROTECTED] Behalf Of Axton > Sent: Friday, May 04, 2007 12:37 PM > To: [email protected] > Subject: Re: IP Address Pattern matching > > > Not only that, you could enter 900.999.123.000. > > There are perl libraries that are very good at this. If you don't > want to go that route, you could parse the octets into separate > fields, then check those. There was also a thread a couple of months > back that had a very very long qual that could be used to evaluate the > value. > > Axton Grams > > On 5/4/07, Durrant, Michael M. - ITSD <[EMAIL PROTECTED]> wrote: > > ** > > > > Anyone have suggestions for matching an IP address pattern > (###.###.###.###) > > in a Character Field? I could use > > [0-9][0-9][0-9].[0-9][0-9][0-9].[0-9][0-9][0-9].[0-9][0-9][0-9] > > - but then I have to enter the address as 010.010.001.001<http://8.8.1.1/> . > > > > Thank you for your time, > > > > Michael Durrant > > IT Systems Integration Analyst > > Division of Information Technology > > Idaho Department of Health and Welfare Share what you know. Learn > > what you don't. > > ---------------------------------------------------------- > > > > > > > > > > The information contained in this email may be privileged, > > confidential > or > > otherwise protected from disclosure. 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