Problem Using Regular Expression

3
Hi Friends
                         Match License Plate Of A Motor Cycle using regular Expression,this question are asked by placement in my friend collage .Any one have answers to solve problem .plz tell how to solve the problem
venkaram92@gmail.com, proud to be a member of Vidyarthiplus.com (V+) - Online Students Community since Jun 2012.
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venkaram92@gmail.com, proud to be a member of Vidyarthiplus.com (V+) - Online Students Community since Jun 2012.
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    Problem Using Regular Expression