1.Regular Expression Tester Extension
http://visualstudiogallery.msdn.microsoft.com/bf883ae3-188b-43bc-bd29-6235c4195d1f?SRC=VSIDE
ctrl+r+x 调用工具窗口
http://visualstudiogallery.msdn.microsoft.com/bf883ae3-188b-43bc-bd29-6235c4195d1f?SRC=VSIDE
ctrl+r+x 调用工具窗口