On 14.11.2011 11:27, Petr PIKAL wrote:
Hi
Thank you. It is a pure magic, something taught in Unseen University.
this is what I got as a help for selecting only letters from set of
character vector.
vzor
[1] "61A" "62C/27" "65A/27" "66C/29" "69A/29" "70C/31"
"73A/31"
[8] "74C/33
Hi
Thank you. It is a pure magic, something taught in Unseen University.
this is what I got as a help for selecting only letters from set of
character vector.
> vzor
[1] "61A" "62C/27" "65A/27" "66C/29" "69A/29" "70C/31"
"73A/31"
[8] "74C/33" "77A/33" "81A/35" "82C/37" "85A/37"
Does
library( stringr )
str_extract( mena, "m5[0-9]" )
achieve what you are looking for?
Rgds,
Rainer
On Monday 14 November 2011 10:22:09 Petr PIKAL wrote:
> Hi
>
> > On 11/14/2011 07:45 PM, Petr PIKAL wrote:
> > > Dear all
> > >
> > > I am again (as usual) lost in regular expression use for
On 14.11.2011 10:22, Petr PIKAL wrote:
Hi
On 11/14/2011 07:45 PM, Petr PIKAL wrote:
Dear all
I am again (as usual) lost in regular expression use for selection.
Here
are my data:
dput(mena)
c("138516_10g_50ml_50c_250utes1_m53.00-_s1.imp",
"138516_10g_50ml_50c_250utes1_m54.00_s1.imp",
"
Hi
> On 11/14/2011 07:45 PM, Petr PIKAL wrote:
> > Dear all
> >
> > I am again (as usual) lost in regular expression use for selection.
Here
> > are my data:
> >
> >> dput(mena)
> > c("138516_10g_50ml_50c_250utes1_m53.00-_s1.imp",
> > "138516_10g_50ml_50c_250utes1_m54.00_s1.imp",
> > "138516_10g_
Hi
>
> Hi,
>
> Try grepl instead of sub,
>
> mena[grepl("m5.", mena)]
It does not select those "m5?" strings from those character vectors. I
need as an output a vector
m53, m54, m55, m56, m57, m58, m59
Regards
Petr
>
> HTH,
>
> baptiste
>
> On 14 November 2011 21:45, Petr PIKAL wrote:
On 11/14/2011 07:45 PM, Petr PIKAL wrote:
Dear all
I am again (as usual) lost in regular expression use for selection. Here
are my data:
dput(mena)
c("138516_10g_50ml_50c_250utes1_m53.00-_s1.imp",
"138516_10g_50ml_50c_250utes1_m54.00_s1.imp",
"138516_10g_50ml_50c_250utes1_m55.00_s1.imp",
"138
Hi,
Try grepl instead of sub,
mena[grepl("m5.", mena)]
HTH,
baptiste
On 14 November 2011 21:45, Petr PIKAL wrote:
> Dear all
>
> I am again (as usual) lost in regular expression use for selection. Here
> are my data:
>
>> dput(mena)
> c("138516_10g_50ml_50c_250utes1_m53.00-_s1.imp",
> "138516
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