Function aw_transform::filter_keyvals_regex

pub fn filter_keyvals_regex(
    events: Vec<Event>, 
    key: &str, 
    regex: &Regex
) -> Vec<Event>

Drops events not matching the regex on the value for a specified key Will only match if the value is a string

Example

key: a
regex: "[A-Z]+"
input:  [a:"HELLO"][a:"hello"][a:3][b:"HELLO"]
output: [a:"HELLO"]