def verifyEmails(emails=[], regExpPattern="^.+$"):
    """
    Method to perform the mail verification process.

    Arguments
    ---------
        emails: List of emails to verify.
        regExpPattern: Pattern that should match.

    Returns
    -------
        list: A list containing the results that match.
    """
    emailsMatched = set()

    for i, e in enumerate(emails):
        if re.match(regExpPattern, e):
            emailsMatched.add(e)

    print(regExpPattern)

    return list(emailsMatched)