node-posix-character-classes - 0.1.0-1 main

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:]
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Node.js is an event-based server-side JavaScript engine.