// 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)^W(\d(\d(\d[A-Z]?)?)?)?$").unwrap();
let string = "W
W1
W12
W123
W123A
-- casos inválidos (tem que ter exatamente 3 dígitos antes do X, a regex não pega esses casos)
W1X
W12X";
// 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/