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  1. library(stringr)
  2.  
  3. a = "USER  2020-02-09 01:13SOMETHING INTERESTING HERE.USER  2020-02-10 08:30and something else comes here"
  4. str_match_all(a, "[0-9][0-9]:[0-9][0-9](.*?)(?:\\bUSER|$)")[[1]][, 2]
Success #stdin #stdout 0.27s 42752KB
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[1] "SOMETHING INTERESTING HERE."   "and something else comes here"
https://ideone.com/wgks21
language:
R (R 3.5.2)
created:
6 years ago
visibility:
public

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