Function extract_candidate_codes

src/parser.rs:39–54

(text: &str, pattern: &str)

}

fn extract_candidate_codes(text: &str, pattern: &str) -> Vec<(String, usize)> {
    let re = Regex::new(pattern).unwrap();
    let mut candidates = Vec::new();

    for result in re.find_iter(text) {
        if let Ok(mat) = result {
            let code = mat.as_str();
            if code.chars().any(|c| c.is_ascii_digit()) {
                let pos = mat.start();
                candidates.push((code.to_string(), pos));
            }
        }
    }

    candidates
}

fn filter_candidates_step1(candidates: Vec<(String, usize)>, _text: &str) -> Vec<(String, usize)> {
    let mut filtered = Vec::new();