[R] Find index of a string inside a string?

[Hadley Wickham]

Or str_locate:

library(stringr)
str_locate("aabcd", "bcd")

Hadley

On Mon, Oct 25, 2010 at 5:53 AM, jim holtman <jholtman at gmail.com> wrote:
> I think what you want is 'regexpr':
>
>> regexpr("bcd", "aabcd")
> [1] 3
> attr(,"match.length")
> [1] 3
>>
>
>
> On Mon, Oct 25, 2010 at 7:27 AM, yoav baranan <ybaranan at hotmail.com> wrote:
>>
>> Hi,
>> I am searching for the equivalent of the function Index from SAS.
>>
>> In SAS: index("abcd", "bcd") will return 2 because bcd is located in the 2nd cell of the abcd string.
>> The equivalent in R should do this:
>>> myIndex <- foo("abcd", "bcd") #return 2.
>> What is the function that I am looking for?
>>
>> I want to use the return value in substr, like I do in SAS.
>>
>> thanks, y. baranan.
>>
>>        [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem that you are trying to solve?
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/