On Oct 8, 2015, at 3:45 PM, Omar André Gonzáles Díaz wrote:
> Hi I have a vector of 100 elementos like this ones:
>
> a <- c("SMART TV LCD FHD 70\" LC70LE660", "LED FULL HD 58'' LE58D3140")
>
> I want to put just the (70\") and (58'') in a vector b.
> sub("(^.+ )(\\d+)([\"]|[']{2})(.+$)", "\\2\\3", a)
[1] "70\"" "58''"
Also. The `stringr` package uses the code in the `stringi` package to give more
compact expressions. You might want to look at
str_extract Extract matching patterns from a string.
str_extract_all Extract matching patterns from a string.
>
> This is my try, but is not working:
>
> b <- grepl('^[0-9]{2}""$',a)
>
> Any hint is welcome, thanks.
>
> [[alternative HTML version deleted]]
>
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David Winsemius
Alameda, CA, USA
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R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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