How do I extract a word, that is contained in a group/list of words, from a string?

Question

From a character vector of strings

x <- c("Point to Point Movement, Route/Network Building",                                                                       
       "Betting/Wagering, Dice Rolling, Roll / Spin and Move",
       "Hand Management, Take That")

extract a word if it is contained in

p <- c("Route","Dice")

otherwise NA. The resulting output would be "Route" from x[1], "Dice" from x[2], and NA from x[3].

You have not asked a question. – Scott Hunter Aug 09 '21 at 00:18 — Scott Hunter, Aug 09 '21 at 00:18

score 1 · Accepted Answer · answered Aug 09 '21 at 00:18

1

paste the words as a single string and use that in str_extract

library(stringr)
str_extract(x, str_c(p, collapse="|"))
[1] "Route" "Dice"  NA

answered Aug 09 '21 at 00:18

akrun

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TY. This answer was so fast that I cannot even accept it yet. – Nip Aug 09 '21 at 00:22

How do I extract a word, that is contained in a group/list of words, from a string?

1 Answers1