[R] two questions about character manipulation

[Özgür Asar]

Dear Rui Barradas and Michael Weylandt,

Many thanks for your replies.

My second question is solved now.

But I think I did not expressed my first wish in a clear way

Indeed, 

in ex<-"cbind(data$response1,data$response2), 

I want to extract the variable name between "$" and "," (corresponds to
response1 in this example) and the one between "$" and ")" (corresponds to
response2).

These symbols ("$", ",", ")" ) are always same, but the names (response1,
response2) might change from data to data.

Best

Ozgur




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