Comment #1 on issue 2436 by math...@qiwi.be: Surrogate pairs are not
accepted in regular expression character ranges
http://code.google.com/p/v8/issues/detail?id=2436
Like you said, this is not a V8 bug. IMHO this ticket can be closed.
Full Unicode support in regular expressions is scheduled for ES6 through
the `/u` flag:
http://norbertlindenberg.com/2012/05/ecmascript-supplementary-characters/index.html#RegExp
Meanwhile, use something like Regenerate (http://mths.be/regenerate) to
easily generate regular expressions that deal with astral Unicode symbols:
regenerate.fromSymbolRange('\uDB40\uDD00', '\uDB40\uDDEF');
'\\uDB40[\\uDD00-\\uDDEF]'
regenerate.fromCodePointRange(0xE0100, 0xE01EF);
'\\uDB40[\\uDD00-\\uDDEF]'
For your example, it seems like the regular expression you were looking for
is `/\uDB40[\uDD00-\uDDEF]/`.
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