// 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"(?mi)([1-9](?:\s*[0-9]){3})\s?([A-Z])[a-z]*\s*([A-Z])[a-z]*").unwrap();
let string = "1 2 3 4 Alpha Bravo
1234 Alpha Bravo";
let substitution = "$1$2$3";
// 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/