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var pattern:RegExp = /([0-9a-zA-Z]+[-._+&])*[0-9a-zA-Z]+@([-0-9a-zA-Z]+[.])+[a-zA-Z]{2,6}/;

var goodEmail:String = "bob@example.com";
var badEmail:String = "5@$2.99";

trace(goodEmail, " is valid:", pattern.test(goodEmail));
trace(badEmail, " is valid:", pattern.test(badEmail));

출처: http://papervision2.com

Using Viewport Layers

Actionscript:
Using the QuadrantRenderEngine

Actionscript:

See the video to grasp the concept of the solutions.