receiver-mock: add regex support for querying logs #381
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I had to use
fancy-regex
crate instead ofregex
, because apparentlyregex
does not support lookahead in regexes (which is what we really want, because the main point of this feature is to be able to discardundefined
metadata).Caching of compiled regexes should be definitely added, let me do this in a followup PR.
This feature currently works only for nonotlp logs, but it should be easy to add it for other data types.