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  1. x <- c("   Agarista revoluta (Spreng.) Hook. f. ex Nied.", "  Amaioua intermedia Mart.", " Baccharis reticularia DC.")
  2. sub("^\\s*(\\S+\\s+\\S+).*", "\\1", x)
Success #stdin #stdout 0.23s 60752KB
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[1] "Agarista revoluta"     "Amaioua intermedia"    "Baccharis reticularia"
https://ideone.com/qaWrqm
language:
R (R 3.5.2)
created:
8 years ago
visibility:
secret

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