// 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)\{\{(.*?)\}\}\s*((?:[A-Za-z0-9!#$%&'*+\/=?^_`{|}~.+-])+@(?:(?:[A-Za-z0-9-])+?\.)+(?:[A-Za-z0-9]{2,})+)\s*\{\{\/(\1)\}\}").unwrap();
let string = "{{foreach}} mail-1@mail.com {{/foreach}}
{{foreach}} mail-2@mail.com{{/foreach}}
{{foreach}}
mail-3@mail.com
{{/foreach}}
";
// 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/