I came across a good code sample while surfing for showing the Loading/Processing image on the VisualForce Page.
You can find it at: http://force.siddheshkabe.co.in/2009/10/displaying-please-wait-ajax-animation.html
Category: JavaScript
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Regex for AlphaNumeric password validation
Regular Expression for validating the string
(?!^[0-9]*$)(?!^[a-zA-Z]*$)^([a-zA-Z0-9]{8,20})$The above RegEx requires at least one digit and at least one alphabetic character. It does not allow special characters. The length must be from 8 to 20 characters.
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JavaScript: Number to Currency format conversion function
JavaScript for converting string to currency format.
https://gist.github.com/prasannadeshpande/91a3212f041fcec3e4f3d9dac5923c89