// 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(?= +category)").unwrap();
let string = "id: N group: 1 category: NAMES : Mike
id: N group: 2 category: NAMES : Seth
id: # group: 1 category: PHONE : 123-456-789
id: # group:2 category: PHONE : 111 111-1111
id: @ group: 1 category: EMAIL : mike@mail.com
id: @ group: 2 category: EMAIL : seth@yahoo.com";
// 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/