Can you use regex to match patterns in KQL in graylog

[tmacgbay]

This was asked a bit ago in the Community question - there is good information on regex as well as querying an IP

Searching via regular expression. Possible?

Apologies if this has been addressed in a previous post, but I’ve done a fair bit of research and can’t seem to get a conclusive answer to this question. I’m attempting to filter out specific IP addresses from a search query. I’m attempting to filter them by doing something similar to this: !srcIP:10.15.20.[105 TO 108] The IPs I’m attempting to filter out still show up in the search results, however. Likewise, when I try things like these examples: !srcIP:10.15.20.[105-108] !srcIP:/10.15.…