This expression is almost identical to rx_anything_but()
with one major exception, a +
is used instead of a *
. This
means rx_something_but()
expects something whereas
rx_anything_but()
expects anything including... nothing!
rx_something_but(.data = NULL, value, mode = "greedy")
.data | Expression to append, typically pulled from the pipe |
---|---|
value | Expression to optionally match |
mode | Matching mode ( |
Metacharacters: https://www.regular-expressions.info/characters.html#special
Greedy and Lazy Quantifiers: https://www.regular-expressions.info/repeat.html#greedy
rx_something_but(value = "abc")#> [1] "([^abc]+)"#> [1] TRUE#> [1] FALSE