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  1. library(stringr)
  2. str_replace('filter [70.00-140.00]','(?<=\\[)\\d+', '80')
  3. sub('\\[\\d+', '[80', 'filter [70.00-140.00]')
  4. sub('(?<=\\[)\\d+', '80', 'filter [70.00-140.00]', perl=TRUE)
Success #stdin #stdout 0.25s 42748KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "filter [80.00-140.00]"
[1] "filter [80.00-140.00]"
[1] "filter [80.00-140.00]"
https://ideone.com/ZSx4qX
language:
R (R 3.5.2)
created:
4 years ago
visibility:
secret

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