Rust I-Regexp Checker

Check regular expressions for compliance with RFC 9485.

use iregexp::check;

fn main() {
    println!("{:?}", check(r"[0-9]*?"));  // false
}

lib.rs:

A checking implementation of I-Regexp.

let valid = iregexp::check(r"[ab]{3}");
assert_eq!(valid, true);

let valid = iregexp::check(r"[0-9]*?");
assert_eq!(valid, false);