Match a word—a string of word characters (a–z, A–Z, 0–9 or _).
This function is looks for tabs with the following expression: \w+
rx_word(.data = NULL)
.data | Expression to append, typically pulled from the pipe |
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rx_word()#> [1] "\\w+"# create an expression x <- rx_word() # create inputs string1 <- "foo_bar" string2 <- "foo-bar" # extract matches regmatches(string1, regexpr(x, string1))#> [1] "foo_bar"#> [1] "foo"