[R] Numbers in a string

Dieter Menne dieter.menne at menne-biomed.de
Wed Dec 15 11:04:04 CET 2010

Luis Felipe Parra wrote:
> Hello, I have stings which have all sort of characters (numbers, letters,
> punctuation marks, etc) I would like to stay only with the numbers in
> them,
> does somebody know how to do this?

What to do if for AA3213Be45C02? A site search would have given a few
hundreds hits, for example



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