def validate_email_syntax(email): # Regular expression for validating an Email regex = r'\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]2,\b' if re.fullmatch(regex, email): return True return False
Ensure your valid.txt file contains one email address per line: 22k mails access valid.txt
# Saving valid emails to a new file with open('syntactically_valid_emails.txt', 'w') as file: for email in valid_emails: file.write(email + '\n') \b' if re.fullmatch(regex
# Assuming valid.txt is in the same directory with open('valid.txt', 'r') as file: valid_emails = [] invalid_emails = [] for email in file: email = email.strip() # Remove leading and trailing spaces if validate_email_syntax(email): valid_emails.append(email) else: invalid_emails.append(email) 22k mails access valid.txt