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

jim holtman jholtman at gmail.com
Mon Oct 25 13:53:22 CEST 2010


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]]
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?



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