Regular Expressions: Strategies for ensuring a secure password that meets specific criteria

Struggling to craft a regex for Angular Validators pattern on a password field with specific criteria:

  • Minimum of 2 uppercase letters
  • Minimum of 2 digits
  • At least 1 special character.

Currently able to validate each requirement individually (1 uppercase, 1 digit, and 1 special character):

(?=.*?[A-Z])(?=.*?[0-9])(?=.*?[!@#$%^&*(),.?":{}|<>])

Having trouble combining the regex for at least 2 digits and 2 uppercase letters within the same password. Any suggestions?

Answer №1

To ensure accuracy, replicate the tests within the lookaheads:

(?=(?:.*?[A-Z]){2})(?=(?:.*?[0-9]){2})(?=.*?[!@#$%^&*(),.?":{}|<>])

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