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Re: Pattern matching in lists

  • To: mathgroup at smc.vnet.net
  • Subject: [mg116140] Re: Pattern matching in lists
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Thu, 3 Feb 2011 05:30:23 -0500 (EST)

MatchQ[{1, 3, 2, 6, 5, 1, 4, 6, 3, 9}, {___, 1, 4, 6, ___}]

True

Bobby

On Wed, 02 Feb 2011 05:07:02 -0600, Harvey P. Dale <hpd1 at nyu.edu> wrote:

> MemberQ easily tests whether a single integer appears in a list
> of integers.  Suppose, however, that I want to test not for a single
> integer but for two or more consecutive integers, e.g., to see whether
> {1,4,6} is a member of {1,3,2,6,5,1,4,6,3,9}.  I can do this by
> converting both lists into strings and then using string-matching
> functions, but is there some way of doing it directly without that
> conversion?
>
> Thanks.
>
> Harvey
>
> Harvey P. Dale
> University Professor of Philanthropy and the Law
> Director, National Center on Philanthropy and the Law
> 139 MacDougal Street
> New York, N.Y. 10012-1076
> Tel: 212-998-6161
> Fax: 212-995-3149
> =09
>
> ______________________________________________________________________
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-- 
DrMajorBob at yahoo.com


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