R-regex: match strings not beginning with a pattern

Question

I\'d like to use regex to see if a string does not begin with a certain pattern. While I can use: [^ to blacklist certain characters, I can\'t figure out how to

Answer 1

There is now (years later) another possibility with the stringr package.

library(stringr)

str_detect("dsadsf", "^abc", negate = TRUE)
#> [1] TRUE

str_detect("abcff", "^abc", negate = TRUE)
#> [1] FALSE

^{Created on 2020-01-13 by the reprex package (v0.3.0)}