// 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)(?<=^Total revenue for )(?=\d+[-_]?\d+)[\d_-]{6,7}(?!\S)").unwrap();
let string = "Total revenue for 2016-03 is 3000 €
Total revenue for 2016_03 is 3000 €
Total revenue for 201603 is 3000 €
Total revenue for 2016-03 is 3000 €
Total revenue for 2016_03 is 3000 €
Total revenue for 201603 is 3000 €
Total revenue for 032016 is 3000 €
Total revenue for 03_2016 is 3000 €
Total revenue for 03-2016 is 3000 €
Total revenue for 3000 is 3000 €
Total revenue for 30-00100-1010101 is 3000 €
";
// 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/