// 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)^0+?(\d{2})").unwrap();
let string = "001 - Filename 001.mp3
009 - Filename 009.mp3
010 - Filename 010.mp3
060 - Filename 060.mp3
086 - Filename 086.mp3
100 - Filename 100.mp3
1000 - Filename 1000.mp3
01001 - Filename 1001.mp3
01 - Filename with two leading numbers.mp3
1 - Filename with one leading number.mp3";
let substitution = "$1";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
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/