@xyz/whois/src/utils/patterns/registrant.ts

A powerful TypeScript/JavaScript tool for comprehensive domain analysis, featuring detailed WHOIS data with registration dates, registrars, and domain status. Offers SSL certificate extraction (with PEM support), DNS records, and server details. Includes

export const REGISTRANT_ORG_PATTERNS = [
  /Registrant Organization:\s*(.+?)(?:\n|$)/i,
  /Registrant:\s*(.+?)(?:\n|$)/i,
  /Organization:\s*(.+?)(?:\n|$)/i,
];

export const REGISTRANT_COUNTRY_PATTERNS = [
  /Registrant Country:\s*(.+?)(?:\n|$)/i,
  /Country:\s*(.+?)(?:\n|$)/i,
];

export const REGISTRANT_EMAIL_PATTERNS = [
  /Registrant Email:\s*(.+?)(?:\n|$)/i,
  /Email:\s*(.+?)(?:\n|$)/i,
];

export function findRegistrantOrganization(rawData: string): string | undefined {
  for (const pattern of REGISTRANT_ORG_PATTERNS) {
    const match = rawData.match(pattern);
    if (match && match[1].trim() && !match[1].includes('REDACTED FOR PRIVACY')) {
      return match[1].trim();
    }
  }
  return undefined;
}

export function findRegistrantCountry(rawData: string): string | undefined {
  for (const pattern of REGISTRANT_COUNTRY_PATTERNS) {
    const match = rawData.match(pattern);
    if (match && match[1].trim()) {
      return match[1].trim();
    }
  }
  return undefined;
}

export function findRegistrantEmail(rawData: string): string | undefined {
  // Don't extract email if GDPR protected
  if (rawData.includes('GDPR') || rawData.includes('REDACTED FOR PRIVACY')) {
    return undefined;
  }

  for (const pattern of REGISTRANT_EMAIL_PATTERNS) {
    const match = rawData.match(pattern);
    if (match && match[1].trim() && match[1].includes('@')) {
      return match[1].trim();
    }
  }
  return undefined;
}