// 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"(?i)(?<href>(?<origin>(?<protocol>(?<scheme>[a-z][\w\-]{2,}):)?(?:\/\/)?)?(?:(?<username>[^:\s]*):(?<password>[^@\s]*)@)?(?<host>(?<hostname>\B\.{1,2}\B(?=[a-z\d]|\/)|(?:[a-z][a-z-]*)(?:\.[a-z][a-z-\.]*|(?=\/))|(?:[^\s\$]\d[a-z\d-]*)(?:\.[a-z][a-z-\.]*)|(?:(?:25[0-5]|(?:2[0-4]|1\d|[1-9]|)\d)(?:\.(?!$)|$)){4}|localhost)(?:\:(?<port>\d+))?)(?<pathname>\/[^?#\s]*)?(?<search>\?[^#\s]*)?(?<hash>#[^\s]*)?)").unwrap();
let string = "https://user:pass@api.twitch.tv:8080/Kshipa?popout=true#unload";
// result will be a tuple containing the start and end indices for the first match in the string
let result = regex.captures(string);
let (start, end) = match result {
Some((s, e)) => (s, e),
None => {
// ...
}
};
println!("{}", &string[start, end]);
}
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/