 I have a set of character strings like below:
 
> data3[1]
[1] "CB01_0171_03-27-2002-(Sample 26609)-(126)"
> 
 
I am trying to extract the text 03-27-2002 and convert this into a date 
for the same record.  I keep looking at the grep function, however I 
cannot quite get it to work.
 
grep("\d\d-\d\d-\d\d\d\d",data3[1],perl=TRUE,value=TRUE)
 
Any hints?
 

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