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Ensuring an * only exists at beginning or end of string

Prysson asked
Last Modified: 2012-05-06
I need to verify that a string only contains * at the beginning r end of the string.

Conatining * in teh middle o fthe string is not ok.  
so *dsjdh   would be fine
*ddd* woudl be fine
whx* woudl be fine
but g*g would not be fine..

Anyone have anyidea how I can check this...

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