只利用 Regex 來測試字串是否符合24小時制時間格式

/^(?:0*(?:(?:1?[0-9])|(?:2[0-3]))):(?:0*(?:[1-5]?[0-9])):(?:0*(?:[1-5]?[0-9]))

網友荒言 談及抽樣調查 ，說：

『香港少說也有七百萬人，只抽查了二三百甚或一二百人，就可說是「全港」，算我笨算我冥頑不靈好了，我怎樣也不會信服的了。』

我相信很多人也有類似想法。我又忍不住多口了，留言說：

『二

一星期去了兩次北京day trip。For what？來回七個小時飛機，未計delay，另加三小時從北京機場來回商業區，未計塞車。在北京的會議僅開了一個多小時。究竟為了什麼？IPO 律師的生涯，是無盡的塞車和搭飛機。

這兩次去北京，一次是為

I was asked to speak in a hospital forum about nonpunitive response to medical incidents. An apt illustration of the current climate comes from those stories in which honest doctors who make full confession find themselves viewed unfavourably. Should we then keep our mouths shut?

Hardly. There comes a time in the career of most doctors when things go badly awry. It comes earlier for those who work the hardest. No matter when it comes, however, the struggle is best overcome with support from the others. That's why I