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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