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  1. x <- "bs(e17age, 3)1"
  2. sub("^bs\\(([^,]*).*", "\\1", x) 
  3.  
Success #stdin #stdout 0.45s 22816KB
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stdin 
Standard input is empty
stdout 
[1] "e17age"
https://ideone.com/3jsf0S
language:
R (R 3.5.2)
created:
10 years ago
visibility:
secret

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