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Replacement question

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  • Subject: [mg74156] Replacement question
  • From: Brian Beckage <Brian.Beckage at>
  • Date: Tue, 13 Mar 2007 03:34:35 -0500 (EST)

I apologize for this very basic question.  I understand how to use /. 
{} to replace a  variable with a more complex expression, e.g., x-> 
y+z.  Can one move in the opposite direction to replace all 
occurrences of y+z with x?   myExpression/.{y+z->x} does not seem to 

Thank you for your help,

Brian Beckage
Department of Plant Biology
University of Vermont
Marsh Life Science Building
Burlington, VT 05405

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