docs: def extract_emails(results: str, domain: str, fuzzy: bool) -> List[str]:
      """Grab email addresses from raw text data."""
      pattern: Pattern = re.compile(r'([\w.-]+@[\w.-]+)')
      hits: List[str] = pattern.findall(results)
      if fuzzy:
          seed = domain.split('.')[0]
          emails: List[str] = [x.lower() for x in hits if x.split('@')[1].__contains__(seed)]
      else:
          emails: List[str] = [x.lower() for x in hits if x.endswith(domain)]
      return list(set(emails))