Validate Password

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Javascript functions can validate a string to determine if it would make a suitable password. Passwords should be between 3 and 16 characters long and not contain these characters | () [ { ^ $ * + ? . \" \' % & } ] @ # /

This function is interesting in that it makes heavy use of regular expressions for pattern matching.

Here is a javascript function to ensure user input from form fields on your web pages. Attach it to the onchange event of a form field or insert it in a handler.