Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/360#discussion_r198911858
--- Diff: extensions/librdkafka/PublishKafka.h ---
@@ -28,6 +28,7 @@
#include "core/Property.h"
#include "core/logging/LoggerConfiguration.h"
#include "rdkafka.h"
+#include <regex>
--- End diff --
I'm fine with limiting it to 4.9 forward. ---
