[R] Numeric Characters in String

[jim holtman]

try this:

> str <- c("14.XYZ", "15.ABCDE", "16.dkieowo", "120.EIDKAI")
> x <- gsub("[^0-9]", "", str)
> x
[1] "14"  "15"  "16"  "120"
> as.integer(x)
[1]  14  15  16 120
>


On Fri, Sep 16, 2011 at 5:13 AM, Karl Weinmayer <karl.weinmayer at gmx.at> wrote:
> Dear all,
>
>
>
> I have a vector, which looks about like this:
>
>
>
> str <- c("14.XYZ", "15.ABCDE", "16.dkieowo", "120.EIDKAI")
>
>
>
> I need to extract the numerical characters out of the string, so I receive
> in the end a normal vector containing:
>
>
>
> vec <- c(14, 15, 16, 120)
>
>
>
> I need a generic solution for this. My actual vector contains about 403
> strings, and it is bound to change with different versions of my
> calculations. So I need something that either extracts all numeric
> characters or deletes everything else.
>
>
>
> I hope you can help me out.
>
>
>
> Best,
>
> Karl
>
>
>
>
>
>
>        [[alternative HTML version deleted]]
>
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>



-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?