Closed frenchy64 closed 2 years ago
What version of java is that from?
$ java -version
openjdk version "16.0.1" 2021-04-20
OpenJDK Runtime Environment AdoptOpenJDK-16.0.1+9 (build 16.0.1+9)
OpenJDK 64-Bit Server VM AdoptOpenJDK-16.0.1+9 (build 16.0.1+9, mixed mode, sharing)
Huh. Apparently \X
and \R
(at least) cannot go inside square brackets, unlike \d
\w
etc.
fun!