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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> 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 For list information or to unsubscribe, visit: http://www.unidata.ucar.edu/ mailing_lists/
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