Generate Rust code from a regex

use regex::Regex;

fn main() {
    let input = r"Reach alice@example.com or bob@test.org.";
    let re = Regex::new(r"\\b\\w+@\\w+\\.\\w+\\b").unwrap();

    let is_match = re.is_match(input);
    let first = re.find(input).map(|m| m.as_str());
    let all: Vec<&str> = re.find_iter(input).map(|m| m.as_str()).collect();
    let caps = re.captures(input);
    let replaced = re.replace_all(input, r"[email]");
    let parts: Vec<&str> = re.split(input).collect();

    println!("is_match: {}", is_match);
    println!("first: {:?}", first);
    println!("all: {:?}", all);
    println!("captures: {:?}", caps);
    println!("replaced: {}", replaced);
    println!("parts: {:?}", parts);
}