// 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"(?s)(?=<)(?:(?=.*?<(?!.*?\1)(.*>(?!.*\2).*))(?=.*?>(?!.*?\2)(.*)).)+?.*?(?=\1)[^<]*(?=\2$)").unwrap();
let string = "<F<i<r<s>t>>> <<S><e><<c><o>><n>d> <<<<<<<Third>>>>>>>
<<123>,<456>,<789>>
";
// 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/