————————–虽然在java perl php python ruby里它很慢
Author:Russ Cox Email:rsc January 2007
[说明：本文由phylips@bmy翻译自英文文章Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, …)，原文地址：http://swtch.com/~rsc/regexp/regexp1.html]