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  1. a <- "\n \n   \n \nTEST TEST\n"
  2. stringr::str_replace_all(a, "(?m)^\\h+$", "")
  3.  
Success #stdin #stdout 0.28s 42584KB
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Standard input is empty
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[1] "\n\n\n\nTEST TEST\n"
https://ideone.com/CgzCan
language:
R (R 3.5.2)
created:
4 years ago
visibility:
secret

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