// 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"^# Match any youtube URL
(?:https?://)? # Optional scheme. Either http or https
(?:
www\.
| m\.
)? # Optional www subdomain
(?: # Group host alternatives
youtu\.be/ # Either youtu.be,
| youtube\.com # or youtube.com
(?: # Group path alternatives
/embed/ # Either /embed/
| /v/ # or /v/
| /&v=/ # or ?feature=youtu.be&v=NXwxHU2Q0bo
| /watch\?v= # or /watch\?v=
| /watch\?feature=youtu\.be&v= # alternativ link with watch
) # End path alternatives.
) # End host alternatives.
([\w-]{10,12}) # Allow 10-12 for 11 char youtube id.
$").unwrap();
let string = "https://www.youtube.com/watch?feature=youtu.be&v=NXwxHU2Q0bo";
// 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/