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  1. DirtyChars = c(',', '.', ';', '?', '/', '\\', '`', '[', ']', '"', ':', '>', '<', '|', '-', '_', '=', '+', '(', ')', '^', '{', '}', '~', '\'', '*', '&', '%', '$', '!', '@', '#')
  2. s <- "#w$o;r&d^$"
  3. escape_for_char_class <- function(s) {gsub("([]^\\\\-])", "\\\\\\1", s)}
  4. pattern <- paste0("[", escape_for_char_class(paste(DirtyChars, collapse="")), "]")
  5. ## [1] "[,.;?/\\\\`[\\]\":><|\\-_=+()\\^{}~'*&%$!@#]"
  6. gsub(pattern, "", s, perl=TRUE)
Success #stdin #stdout 0.29s 39460KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "word"
https://ideone.com/WyGPNr
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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