Re: ReplaceAll and BlankNullSequence
- To: mathgroup at smc.vnet.net
- Subject: [mg100543] Re: ReplaceAll and BlankNullSequence
- From: lshifr at gmail.com
- Date: Sun, 7 Jun 2009 05:02:49 -0400 (EDT)
- References: <h0d6tt$sqe$1@smc.vnet.net>
Hi,
Try starting with a fresh kernel, or at least Clear[x]- it looks like
your x is globally defined as x = 1. Also/alternatively, use delayed
rule: {kevinbacon, iscool} /. {x___, iscool} :> {x}, in which case
possible global definitions for x don't matter.
Regards,
Leonid
On Jun 6, 12:47 am, Philip R Dutton <fooledbypri... at gmail.com> 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} ???
>
> I am so confused...
>
> Thanks for the help!!!