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2017 Aug 23
4
Flummoxed by gsub().
I have a vector (say "x") of the form
[1] "mung5" "mung10" "mung20" "gorp5" "gorp10" "gorp20"
I want to extract just the numbers (strings of digits) that appear at
the end of the strings in "x".
My reading of ?regex led me to believe that
gsub("[:alpha:]","",x)
should give the result that I want. However it returns
[1] "mung5"...
2017 Aug 23
0
Flummoxed by gsub().
...23, 2017 7:46 AM
> To: r-help mailing list <r-help at r-project.org>
> Subject: [R] Flummoxed by gsub().
>
>
> I have a vector (say "x") of the form
>
> [1] "mung5" "mung10" "mung20" "gorp5" "gorp10" "gorp20"
>
> I want to extract just the numbers (strings of digits) that appear at the end of
> the strings in "x".
>
> My reading of ?regex led me to believe that
>
> gsub("[:alpha:]","",x)
>
> should give the result that I want. However...