// 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"^\s*[1-9][0-9]*\s*(?=([., \t]))(?:\s*(?:\1|\r?\n)\s*[1-9][0-9]*)+\s*$").unwrap();
let string = "10 , 11 , 12 , 13 , 14 , 30
, 9 , 41 , 42 , 44 , 46 , 48
10 , 11 , 12 ,13 , 14 , 30";
// 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/