A couple of days ago I mentioned a nice library for validating strings and numbers – one validator not included was a password strength validator.
Here’s an open source library called Navajo from Mattt Thompson that provides a number of features for validating passwords and evaluating strength.
There are a number of validation rules available as stated in the readme:
– Allowed Characters
– Required Characters (e.g. lowercase, uppercase, decimal, symbol)
– Non-Dictionary Word (iOS only)
– Minimum / Maximum Length
– Predicate Match
– Regular Expression Match
– Block Evaluation
For the password evaluation you can adjust the strength of the evaluation.
Here’s an animation from the readme showing the included Navajo example in action:
You can find Navajo on Github here.
A nice library for password requiring apps.
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