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  • From: Kohsuke KAWAGUCHI <kohsukekawaguchi@y...>
  • To: Derek Denny-Brown <derekdb@m...>
  • Date: Wed, 13 Jun 2001 13:51:27 -0700


> > How about this?
> > 
> > > (a b)* a?
> > 
> 
> That is equivalent to 
> 	(a b)*

No. "(a,b)*,a?" can accept "a", but (a,b)* can not. They are different.


regards,
----------------------
K.Kawaguchi
E-Mail: kohsukekawaguchi@y...


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