fork download
  1. address <- c("SE Kellogg", "SE Kellogg Court")
  2. gsub("\\bSE Kellogg\\b(?!\\s+Court\\b)", "SE Kellogg Court", address, perl=TRUE)
  3. gsub("\\b(SE Kellogg)\\b(?!\\s+Court\\b)", "\\1 Court", address, perl=TRUE)
Success #stdin #stdout 0.34s 39056KB
stdin
Standard input is empty
stdout
[1] "SE Kellogg Court" "SE Kellogg Court"
[1] "SE Kellogg Court" "SE Kellogg Court"