strsplit("1041281__2009_08_20_.lev", split="_")[[1]][1]
HTH,
Stephan
stephen sefick schrieb:
> x <- "1041281__2009_08_20_.lev"
>
> I would like to split this string up and only extract the leading numbers.
>
> 1041281
>
> to use as a label for a data column in a bigger for loop function to
> read in data.
> regards,
>