// 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"(?=\d{1,2}\s*(?:h|m))(?:(\d{1,2})\s*h)?\s*(?:\s?(\d{1,2})\s*m)?").unwrap();
let string = "8h20m 10m 8h left
8 h 30 m left
8h left
8h 20m left
57m left
1m left";
// 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/