// 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)^(([0-1][0-9])|([2][0-3])):([0-5][0-9])(:([0-5][0-9]))?([.]\d{3})?$").unwrap();
let string = "23:59
23:59:30
23:59:34.123
23:59:12
23:60
23:59.
23:59.60";
let substitution = "";
// 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/