R How to separate simple function like“-17+3” in to numbers eg.“-17”and “3”

Question

my data is like -17+3 2-6 what i need to do is separate each one into two numbers for example: -17+3 into \"-17\" and \"3\" 2-6 into \"2\" and \"-6\" by using R

many man

Answer 1

gregexpr and regmatches to the rescue:

text = '-17+6'
pattern = '[+-]\\d+'
matches = gregexpr(pattern, text)
regmatches(text, matches)
# [[1]]
# [1] "-17" "+6"