How can I check if a string is a valid email address in Python using the validate-email-address library and regex?
Rashid D

To check if a string is a valid email address in Python using thevalidate-email-address library and regex, you can follow these steps: 1. Install thevalidate-email-address library:

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   pip install validate-email-address

2. Import the necessary modules:

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   import re
   from validate_email_address import validate_email

3. Define a function to check if the string is a valid email address:

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   def is_valid_email(email):
  if not validate_email(email):
 return False

  regex_pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
  if not re.match(regex_pattern, email):
 return False

  return True

4. Call theis_valid_email function and pass the string to be checked:

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   email = "example@example.com"
   if is_valid_email(email):
  print("Valid email address")
   else:
  print("Invalid email address")

Thevalidate-email-address library is used to perform basic email validation. Thevalidate_email function checks if the email address is valid according to general email format and syntax. After the basic validation, the function uses a regular expression (regex_pattern) to apply additional validation rules. The regex pattern in this example checks for the following conditions: - The local part of the email (before the @ symbol) can contain alphanumeric characters, dots, underscores, percent signs, plus signs, and hyphens. - The domain part of the email (after the @ symbol) can contain alphanumeric characters, dots, and hyphens. - The top-level domain must consist of at least two characters. If the email address passes both the basic validation usingvalidate_email and the additional validation using the regex pattern, the function returnsTrue, indicating that the email address is valid. Otherwise, it returnsFalse. Note that while thevalidate-email-address library provides basic email validation, the additional regex pattern provides more specific validation rules based on your requirements. You can modify the code to include any additional validation rules or modify the regex pattern to suit your specific requirements. Use theis_valid_email function to check if a string is a valid email address in your Python programs.

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