[R] string manipulation

[jim holtman]

To be on the safe side in case there are other characters at the end
of the string, use:

> mytext <- "I do not want the first number 1234, but the second number 5678sadfsadffdsa"
> # make sure you get 4 digits
> sub("^.*second number[^[0-9]]*([0-9]{4}).*", "\\1", mytext)
[1] "5678"
>


On Thu, Aug 25, 2011 at 7:00 PM, Lorenzo Cattarino
<l.cattarino at uq.edu.au> wrote:
> I R-users,
>
> I am trying to find the way to manipulate a character string to select a 4 digit number after some specific word/s. Example:
>
> mytext <- "I do not want the first number 1234, but the second number 5678"
>
> Is there any function that allows you to select a certain number of digits (in this case 5678) after a particular word/s (e.g., second number)
>
> Thank you for your help
>
> Lorenzo
>
>
>        [[alternative HTML version deleted]]
>
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>



-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?