// 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"(?(DEFINE)(?<Digit>one|two|three|four|five|six|seven|eight|nine))(?(DEFINE)(?<Teen>twenty|thirty|forty|fifty|sixty|seventy|eighty|ninety))(?(DEFINE)(?<TwoDigits>((?&Teen)-)?(?&Digit)|ten|eleven|twelve|thirteen|fourteen|fifteen|sixteen|seventeen|eighteen|nineteen|(?&Teen)))(?(DEFINE)(?<ThreeDigits>((?&Digit) hundred (and )?)?(?&TwoDigits)|(?&Digit) hundred))(?(DEFINE)(?<SixDigits>((?&ThreeDigits) thousand (and )?)?(?&ThreeDigits)|(?&ThreeDigits) thousand))(?(DEFINE)(?<TwelveDigits>((?&SixDigits) million (and )?)?(?&SixDigits)|(?&SixDigits) million))(?&TwelveDigits)").unwrap();
let string = "three
eleven
eighty-two
four hundred sixty-nine
";
// 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/