@AndresL, Yeah... KQL at the moment doesn't support RegEx, so you'll have to either use the Lucene syntax or you can add a filter and edit the Query DSL itself.
Hi, sorry to bother @Brandon_Kobel
but i cant see the way to search this on Lucene
message: whatever 123456-1234
i tried message: (/[0-9]{6}/-/[0-9]{4}/) (using - character space)
but it match values like
"2020"
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