hello everyone,   my event data looks like this       {\"status\":1,\"httpStatus\":200,\"event\":\"getBooks\"}       My goal is to extract httpStatus as a field so I can filter events by their codes(e.g 200, 400 ..)   I learned that we need to escape backslashes and double quotes but the command below didn't work       | rex "httpStatus\\\":(?<http_status>\d+)"       What did i do incorrectly here? ... View more