I would like to perform a regular expression search without any field extraction. I know you can do asterisks for things that start with what you're looking for, but all I have is a format of something I'm interested in. I'm sure this is simple and I've overlooked it, but I'm still coming up short. This is new unstructured data so I have no fields yet identified. I'm trying to search for a subset of events so I can start building out my field extractions.
I'm basically trying to search for any events that have a single letter followed by 6 numbers. I would use something like this in other languages;