Extract all numbers from a single string in R

Question

Let\'s imagine you have a string:

strLine <- \"The transactions (on your account) were as follows: 0 3,000 (500) 0 2.25 (1,200)\"

Is the

Answer 1

Here's the base R way, for the sake of completeness...

x <- unlist(regmatches(strLine, gregexpr('\\(?[0-9,.]+', strLine)))
x <- as.numeric(gsub('\\(', '-', gsub(',', '', x)))
[1]     0.00  3000.00  -500.00     0.00     2.25 -1200.00