// include the latest version of the regex crate in your Cargo.toml
extern crate regex;
use regex::Regex;
fn main() {
let regex = Regex::new(r"(?m)(\[monitor:///var/log/(messages|secure|cron|spooler|audit\.log)\](?:(?:\R.*){2})index=).*").unwrap();
let string = "[monitor:///var/log/messages]
sourcetype=linux
index=power
[monitor:///var/log/secure]
sourcetype=linux
index=power";
let substitution = "$1$2";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/