// 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)\b(?:north|south)?(?:east|west)?\b").unwrap();
let string = "The westerly barn is a room. The field is east of the barn. The stable is northeast of the field. The forest is northwest of the field.
It matches north, south, east, west, northeast, northwest, southeast, southwest and many many empty strings.";
// 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/