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我通過下面如果環我如何解釋下面提及UTF-8的範圍
if (((current >= 0x20) && (current <= 0xD7FF))
|| ((current >= 0xE000) && (current <= 0xFFFD))
|| ((current >= 0x10000) && (current <= 0x10FFFF))) {
out.append(current);
}
我想搜索的內容做這些範圍代表來了,但無處我得到了答案。你能幫我解釋這些範圍嗎?
可能是UTF-8碼點:[https://en.wikipedia.org/wiki/UTF-8#Description](https://en.wikipedia.org/wiki/UTF-8#Description)和[http ://www.utf8-chartable.de/](http://www.utf8-chartable.de/) –