gistfile1.js

var ALPHA = 'abcdefghijklmnopqrstuvwxyz',
    ALPHA_UPPER = ALPHA.toUpperCase(),
    NUMERIC = '0123456789',
    PUNCTUATION = '-!@£$%^&*()[]{}\'"/?.>,<;:\\|~`€#',
    UNDERSCORE = '_',
    WHITESPACE = '\x20\t\n\r\f\v\xa0\u2028\u2029\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff'; // thanks Mathias!

var SHORTHAND_CC = {
  '\\S': ALPHA + ALPHA_UPPER + NUMERIC + PUNCTUATION + UNDERSCORE,
  '\\s': WHITESPACE,
  '\\W': NUMERIC + PUNCTUATION + UNDERSCORE,
  '\\w': ALPHA + ALPHA_UPPER + NUMERIC + '_',
  '\\d': NUMERIC,
  '\\D': ALPHA + ALPHA_UPPER + PUNCTUATION + UNDERSCORE + WHITESPACE
};

I like where this is going!

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FWIW, WHITESPACE is [\x20\t\n\r\f\v\xa0\u2028\u2029\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff] as per ES 5.1.

http://es5.github.com/x15.10.html#x15.10.2.12:

The production CharacterClassEscape :: s evaluates by returning the set of characters containing the characters that are on the right-hand side of the WhiteSpace (7.2) or LineTerminator (7.3) productions.

http://es5.github.com/x7.html#x7.2:

ECMAScript implementations must recognize all of the white space characters defined in Unicode 3.0. Later editions of the Unicode Standard may define other white space characters. ECMAScript implementations may recognize white space characters from later editions of the Unicode Standard.

@mathiasbynens, I wasn't sure where to find that, so thank you! I think my PUNCTUATION is missing a bunch too, but I think it's enough for basic generations.

This project moved here: https://github.com/padolsey/rGen