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  1. companies  <-  data.frame(Name=c("Company A Inc (COMPA)","Company B (BEELINE)", "Company C Inc. (Coco)", "Company D Inc.", "Company E"))
  2. gsub("\\s*(\\([^()]*(?:(?1)[^()]*)*\\))", "", companies$Name, perl=TRUE)
Success #stdin #stdout 0.24s 39740KB
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[1] "Company A Inc"  "Company B"      "Company C Inc." "Company D Inc."
[5] "Company E"
https://ideone.com/y1XQ8z
language:
R (R 3.5.2)
created:
3 years ago
visibility:
secret

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