node-posix-character-classes 0.1.0-1 (arm64 binary) in ubuntu hirsute

 The POSIX standard supports the following classes or categories of characters
 [:alnum:], [:alpha:], [:ascii:], [:blank:], [:cntrl:], [:digit:], [:graph:],
 [:lower:], [:print:], [:punct:], [:space:], [:upper:], [:word:], [:xdigit:]
 .
 Node.js is an event-based server-side JavaScript engine.