// 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)^(?=.{1,20}$)[A-Za-z]+(?:[ '-][A-Za-z]+)?$").unwrap();
let string = "John Doe
John-Doe
John'Doe
-JohnDoe
John Doe-
'John Doe
John Doe'
John--Doe
John''Doe
John Doe
John'-Doe
John' Doe";
// 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/