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MathGroup Archive 2004

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Re: Removing non-numeric characters from a list

  • To: mathgroup at
  • Subject: [mg48464] Re: Removing non-numeric characters from a list
  • From: "Peter Pein" <petsie at>
  • Date: Mon, 31 May 2004 00:13:50 -0400 (EDT)
  • References: <c99duf$k7e$>
  • Sender: owner-wri-mathgroup at

"Charles Koehler" <charles.koehler at> schrieb im Newsbeitrag
news:c99duf$k7e$1 at
> Thanks for you previous suggestions.
> I found that what I need is slighty more complicated than the question
> I originally submitted.  How would I  remove all non-numeric
> characters from each item in a list.  This would require the removal
> of characters in the list with the exception of Character Codes
> equivalent  to the digits (0-9) and the decimal point.
> Sincerely,
> Charles Koehler

In[1]:=digits = FromCharacterCode[Select[ToCharacterCode[#1],
      48 <= #1 <= 57 & ]] & ;  digits[$Version]
Out[2]= "40161999"

Peter Pein, Berlin
to write to me, start the subject with [

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