[R] two questions about character manipulation

[Rui Barradas]

Hello,

Try the following.

1)
pattern <- "response."
m <- regexpr(pattern, ex) #gregexpr to get all "response"
regmatches(ex, m)

2)
gsub("\\$", "\\.", ex)

Hope this helps,

Rui Barradas
Em 16-09-2012 15:35, Özgür Asar escreveu:
> Dear all,
>
> I want to manipulate a character string such as
>
> ex<-"cbind(data$response1,data$response2)"
>
> in R in two ways:
>
> 1) extracting the "response1" portion of ex
> 2) replacing "$" with "."
>
> I am wondering that is it possible efficiently doing these in R?
>
> Best
>
> Ozgur
>
>
>
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