Function isEmailValid

packages/utilities/src/email.ts:8–25

(emailString: string)

 */

export const isEmailValid = (emailString: string): boolean => {
  // Regular expression pattern to validate email addresses
  const emailPattern =
    /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/;

  // Split the email string by commas
  const emails = emailString.split(',');

  for (let i = 0; i < emails.length; i++) {
    const email = emails[i].trim(); // Remove leading/trailing whitespace

    if (!emailPattern.test(email)) {
      return false; // Invalid email address
    }
  }

  return true; // All email addresses are valid
};