How does /b work in regular expression in R?

Asked Jun 09 '23 at 11:18

Active Jun 09 '23 at 11:18

Viewed 27 times

grepl(“o\b”, “hello”)

The expression above gives me “False”. From what I understand, “o\b” is supposed to look for “o” at the end of a word. Is this not supported in R?

asked Jun 09 '23 at 11:18

kyarudata

2

In R, you need to use double "\\". Try `grepl("o\\b", "hello")` – Ronak Shah Jun 09 '23 at 11:20
Perfect, thanks! – kyarudata Jun 09 '23 at 11:21

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