[R] Matching Problem

[Benilton Carvalho]

unique(gsub("^.*\\((.+)\\^.*", "\\1", MyData))

?
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On Feb 12, 2008, at 5:44 AM, Tom.O wrote:

>
> Hi
>
> I have this vector of strings.
>
> MyData <-  
> c("Test1","Test2","I(Test1^2)","I(Test2^3)","I(Test1.Test2^2)")
> where I want to extract only the text after "I(" and before "^" so  
> that the
> string returned only contain c("Test1","Test2","Test1.Test2")
>
> I am not very skilled in the use of matching patterns so bare with  
> me but I
> belive I should use gsub('^.\\(', "",MyData) for removing the "I(" and
> gsub("\\^.+", '',MyData) for the end. but theres got to be a more  
> elegant
> way that does the trick in one go.
>
> So I would appriciate I anyone could give me some advice.
>
> Thanks Tom
> -- 
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