摘要：
^从行开始处匹配，$从行结束处开始匹配。\A从字符串开始处匹配，\Z从字符串结束处匹配。 1.匹配十六进制的字符串 http://stackoverflow.com/questions/223832/check-a-string-to-see-if-all-characters-are-hexade 阅读全文
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https://technet.microsoft.com/en-us/library/cc748993(v=ws.11).aspx#BKMK_winui If Task Scheduler is not open, start Task Scheduler. For more informatio 阅读全文
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https://msdn.microsoft.com/en-us/library/system.security.cryptography.hmacsha256(v=vs.110).aspx Computes a Hash-based Message Authentication Code (HMA 阅读全文