[R] string split problem

[Jun Shen]

Hi Marc/Bill
Thanks for reply. That's exactly what I am looking for.
Jun

On Fri, Oct 23, 2015 at 3:53 PM, William Dunlap <wdunlap at tibco.com> wrote:

> > test <- c('aaa.bb.cc','aaa.dd', 'aaa', 'aaa.', '.eee', '')
> > sub("([^.]*)(.*)", "\\1", test)
> [1] "aaa" "aaa" "aaa" "aaa" ""    ""
> > sub("([^.]*)(.*)", "\\2", test)
> [1] ".bb.cc" ".dd"    ""       "."      ".eee"   ""
> Bill Dunlap
> TIBCO Software
> wdunlap tibco.com
>
>
> On Fri, Oct 23, 2015 at 12:17 PM, Jun Shen <jun.shen.ut at gmail.com> wrote:
> > Dear list,
> >
> > Say I have a vector that has two different types of string
> >
> > test <- c('aaa.bb.cc','aaa.dd')
> >
> > I want to extract the first part of the string (aaa) as a name and save
> the
> > rest of the string as another name.
> >
> > I was thinking something like
> >
> > sub('(.*)\\.(.*)','\\1',test) but doesn't give me what I want.
> >
> >
> > Appreciate any comments. Thanks.
> >
> > Jun
> >
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> >
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