// 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)^((\d{4}(\s[1-9]\d{0,3}){2}(\s\d{1,4}){0,2})|(\d{9}\s[1-9]\d{0,3}))$").unwrap();
let string = "987654321 1
987654321 21
0101 9 1
1701 91 1 2
4101 917 1 0 43
0801 9 178 2 0
0111 9 1 084 0
0101 9 1 0 1 0
3124
0314 9";
// 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/