Re: [ldm-users] Negative look ahead/behind in pqact.conf?

You are correct. I don't see a copy of your suggestion to the list or to
Matthew so I'll include a copy.


On Wed, Jun 21, 2017 at 11:46 AM, <Steven.Chiswell@xxxxxxxxxxxx> wrote:

> Donna,
>
> I think you would want to amend your 2nd suggestion to:
> (K[^E]|KE[^A]|KEA[^X])
>
>
> Otherwise, something like KCAE would fail.
>
> Chiz
>
>
> From:        Donna Cote <d-cote@xxxxxxxx>
> To:        Matthew Foster - NOAA Federal <matthew.foster@xxxxxxxx>
> Cc:        LDM <ldm-users@xxxxxxxxxxxxxxxx>
> Date:        06/21/2017 12:32 PM
> Subject:        Re: [ldm-users] Negative look ahead/behind in pqact.conf?
> Sent by:        ldm-users-bounces@xxxxxxxxxxxxxxxx
> ------------------------------
>
>
>
> Howdy Matthew,
>
> What has worked for me before is using two regex lines. I haven't tested
> this out myself.
>
> NNEXRAD   ^(SDUS[234578].) (P|T)(...) (..)(..)(..)
>         Exec.....
>
> NNEXRAD   ^(SDUS[234578].) ([K])([^E][^A][^X]) (..)(..)(..)
>         Exec..... (be certain this action is exactly the same as for the
> other regex)
>
> This should give you
>    1) everything that starts with P or T, then
>    2) the that start with K except "KEAX".
>
> Good luck, Donna
>
> On Jun 21, 2017 9:14 AM, "Matthew Foster - NOAA Federal" <
> *matthew.foster@xxxxxxxx* <matthew.foster@xxxxxxxx>> wrote:
> Does the regex engine in pqact support negative look ahead/behind?  I have
> a pattern that grabs all radars from NOAAPORT like so...
>
> NNEXRAD   ^(SDUS[234578].) (K|P|T)(...) (..)(..)(..)
>
> I want it to match everyone *except* KEAX.
>
> Thanks for any suggestions.
>
> Matt
>
>
> --
> Matt Foster, Science & Operations Officer
> NWS Operations Proving Ground
> 7220 NW 101st Terrace
> Kansas City, MO 64153
> Office: 816-268-3113
>
>
>
> _______________________________________________
> NOTE: All exchanges posted to Unidata maintained email lists are
> recorded in the Unidata inquiry tracking system and made publicly
> available through the web.  Users who post to any of the lists we
> maintain are reminded to remove any personal information that they
> do not want to be made public.
>
>
> ldm-users mailing list
> *ldm-users@xxxxxxxxxxxxxxxx* <ldm-users@xxxxxxxxxxxxxxxx>
> For list information or to unsubscribe,  visit:
> *http://www.unidata.ucar.edu/mailing_lists/*
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.unidata.ucar.edu_mailing-5Flists_&d=DwMBAg&c=ODFT-G5SujMiGrKuoJJjVg&r=EO9-RoN76tYjglJUt1Fz1w&m=NWzQAaPGnwTGtpnSUjBGMu1x1T6zko4paT3NgoITOAs&s=ZpJonljb2UiGg3gPq3Eca8SqelpHUQzFEbNLMy4s0yI&e=>
> _______________________________________________
> NOTE: All exchanges posted to Unidata maintained email lists are
> recorded in the Unidata inquiry tracking system and made publicly
> available through the web.  Users who post to any of the lists we
> maintain are reminded to remove any personal information that they
> do not want to be made public.
>
>
> ldm-users mailing list
> ldm-users@xxxxxxxxxxxxxxxx
> For list information or to unsubscribe,  visit:
> http://www.unidata.ucar.edu/mailing_lists/
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.unidata.ucar.edu_mailing-5Flists_&d=DwMBAg&c=ODFT-G5SujMiGrKuoJJjVg&r=EO9-RoN76tYjglJUt1Fz1w&m=NWzQAaPGnwTGtpnSUjBGMu1x1T6zko4paT3NgoITOAs&s=ZpJonljb2UiGg3gPq3Eca8SqelpHUQzFEbNLMy4s0yI&e=>
>
>


-- 
Donna Cote
Academy for Advanced Telecommunications and
   Learning Technologies
Texas A&M University
  • 2017 messages navigation, sorted by:
    1. Thread
    2. Subject
    3. Author
    4. Date
    5. ↑ Table Of Contents
  • Search the ldm-users archives: