Created
June 19, 2013 15:29
-
-
Save influxweb/5815231 to your computer and use it in GitHub Desktop.
Test Password Strength When building forms, it’s a very good practice to provide verifications on the front-end first so the visitor do not have to submit the form endlessly to correct problems. This code snippet is using regular expressions to test if a password is strong enough. Of course, don’t forget to validate your forms on the server side…
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
$('#pass').keyup(function(e) { | |
var strongRegex = new RegExp("^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\W).*$", "g"); | |
var mediumRegex = new RegExp("^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$", "g"); | |
var enoughRegex = new RegExp("(?=.{6,}).*", "g"); | |
if (false == enoughRegex.test($(this).val())) { | |
$('#passstrength').html('More Characters'); | |
} else if (strongRegex.test($(this).val())) { | |
$('#passstrength').className = 'ok'; | |
$('#passstrength').html('Strong!'); | |
} else if (mediumRegex.test($(this).val())) { | |
$('#passstrength').className = 'alert'; | |
$('#passstrength').html('Medium!'); | |
} else { | |
$('#passstrength').className = 'error'; | |
$('#passstrength').html('Weak!'); | |
} | |
return true; | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment