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Re: ReplaceAll (/.)

• To: mathgroup at smc.vnet.net
• Subject: [mg69434] Re: ReplaceAll (/.)
• From: p-valko at tamu.edu
• Date: Tue, 12 Sep 2006 06:53:19 -0400 (EDT)
• References: <ed9491$tu$1@smc.vnet.net><edad92$p9i$1@smc.vnet.net> <ee3c27$otg$1@smc.vnet.net>

Chris is right:

Chris Rodgers wrote:
> p-valko at tamu.edu wrote:
> > The pattern  x_Times  would pick "a part of an expression that - after
> > plugging into the function Times - gives True". There is no such part
> > of your expression so it is returned intact.
>
> For the sake of the archives, I'd like to point out that this isn't
> quite right.
>
> x_Times matches anything whose Head === Times.
> 
> x_?Times would match anything where Times[x] were True.
> 
> Chris.