On Feb 6, 2013, at 8:46 AM, Christofer Bogaso wrote:
> Hello again,
>
> I was looking for some way on How to delete repeated appearance in a
> String. Let say I have following string:
>
> Text <- "ahsgdvasgAbcabcsdahj"
>
> Here you see "Abc" appears twice. But I want to keep only 1
> occurrence. Therefore I need that:
>
> Text_result <- "ahsgdvasgAbcsdahj" (i.e. the first one).
>
> Can somebody help me if it is possible using some R function?
This is not going to solve all possible variations of this problem, but then
you proposed testing suite was rather limited, ... don't you agree?
> Text <- "ahsgdvasgAbcabcsdahabcj"
> gsub("(abc).*(abc)", "\\1", Text, ignore.case=TRUE)
[1] "ahsgdvasgAbcj"
--
David Winsemius
Alameda, CA, USA
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