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MathGroup Archive 2009

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Re: ReplaceAll and BlankNullSequence

  • To: mathgroup at smc.vnet.net
  • Subject: [mg100542] Re: ReplaceAll and BlankNullSequence
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Sun, 7 Jun 2009 05:02:38 -0400 (EDT)
  • References: <h0d6tt$sqe$1@smc.vnet.net>

Philip R Dutton wrote:
> I keep getting {1} when I try to do a simple replacement with this code:
> 
> {kevinbacon, iscool} /. {x___, iscool} -> {x}
> 
> Why doesn't the output show {kevinbacon} ???
> 

Most likely x was set to 1.  Use :> instead of ->.


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