Print FieldKeys based on some pattern or using regex

[Anaisdg]

Hello @Ravikant_Gautam,
You can use regex in your filter like:

Flux Variable in regex

Hey - Is it possible to use a variable in a regex filter? - Trying to do something like this: foo = “/cpu1|cpu2/” |> filter … r._field =~ foo

Also could be useful:

Work with Flux regular expression types | Flux Documentation

strings.containsStr() function | Flux Documentation