// 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"(?m)^(?:2018|201[0-7]|200[0-9]|1[0-9]{1,3}|[0-9]{1,3})$").unwrap();
let string = "0
1
2
9
10
40
100
101
229
400
777
888
999
1000
1001
1799
1800
1900
2001
2016
2018
2019
2020
3000";
// 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/