newsletter unsubscription tracker / 07 - extractEmail() helper function.js

07 - extractEmail() helper function.js

// Helper function to extract the first email address found in a given text
function extractEmail(body) {
  var emailPattern = /[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}/; // Regex pattern to match an email address
  var match = body.match(emailPattern); // Find the first email that matches the pattern
  return match ? match[0] : null; // Return the email if found, otherwise return null
}