Is this what you want (using regular expressions):
> x <- "ENSG /// ENSGy /// ENSG"
> sub("^([[:alpha:]]+).*", "\\1 ", x)
[1] "ENSG"
>
On Mon, May 11, 2009 at 9:01 AM, Amélie Baud wrote:
> Hi !
>
> >From an Ensembl annotation like ENSG /// ENSGy /// ENSG, I am
> tr
Hi !
>From an Ensembl annotation like ENSG /// ENSGy /// ENSG, I am
>trying to keep only the first part: ENSG. I wasn't able to find any
>helpful information about how to do it. Could you help me with that please ?
>Is the use of the equivalent to the Excel * (any text) a good w
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