Convert comma separated string to integer in R

Question

I have a line in following format

IP1: IP2: 0.1,0.5,0.9

I split this line using following command:

myVector <- (strsplit(oneLine, \":\"))

Answer 1

You can use gregexpr and regmatchesto extract the numbers:

as.numeric(unlist(regmatches(oneLine, gregexpr("-?\\d+\\.\\d+", oneLine))))
# [1] 0.1 0.5 0.9