// >   begin with a literal "!", for example, `"\!important!.txt"`.
        .replace(REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION, '!')
        // > Put a backslash ("\") in front of the first hash for patterns that
        // >   begin with a hash.
        .replace(REGEX_REPLACE_LEADING_EXCAPED_HASH, '#')

    const regex = makeRegex(pattern, ignoreCase)

    return new IgnoreRule(

            const owners = resolveCodeowners(mapping, f);
            console.log("Owners for: " + f + " are: " + owners);
            owners.filter(i => typeof i === 'string')
                .map(u => u.replace(/^@gradle\//, ""))
                .forEach(owner => {
                    if (!result.has(owner)) {
                        result.set(owner, []);
                    }
                    result.get(owner).push(f);