// 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"src:\s*(\d{1,3}(?:\.\d{1,3}){3})\ndst:\s*(\d{1,3}(?:\.\d{1,3}){3})(?:\n(?!severity).+)*?\nseverity:\s*(.+)").unwrap();
let string = "src: 10.4.180.25
dst: 34.23.21.10
natsrc: 20.160.129.5
natdst: 34.33.21.10
more lines
severity: critical
more lines";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
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/