// 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"^(?:tcp|ip|udp|pop|smpt|t?ftp|https?):\/\/(?:[a-zA-Z]+:[a-zA-Z\.=%#\-_&]+@)?(?![\.\-])(?:(?:[a-z-A-Z0-9\-](?!\-{2,})){1,63}\.(?:[a-zA-Z0-9\-](?!\-{2,})){1,63}\.?(?:[a-zA-Z0-9\-](?!\-{2,})){1,63}?\.?(?:[a-zA-Z0-9\-](?!\-{2,})){1,63}?)(?:\:(?:[0-9]{1,4}|[0-6][0-5]{1,2}[0-3][0-5]))?(?:\/|\/(?!\/)(?:[a-zA-Z0-9\-\/](?!\/{2,}))+)?(?:\?(?:(?:[a-zA-Z0-9\-\_\=\&\:\+]|%(?:[A-Z0-9]){2})(?!%{2,}|={2,}|&{2,}|\+{2,}))+)(?:#(?:(?:[a-zA-Z0-9\=\-\_\:\~]|%[A-Z0-9]{2})(?!\={2,}|~{2,}|:{2,}|\-{2,}|\_{2,}))*)?$").unwrap();
let string = "https://user:pass@www.google.com/some/path/with/query?a=%A3+xd&ab#aa";
// 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/