[R] Numbers in a string

[Dieter Menne]

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

http://r-project.markmail.org/thread/3u6gxyzbnm5x3ksp

Dieter



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