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我正在开发一个需要 3des 加密的 iphone 应用程序有没有可用的库
内置的 Common Cryptor 处理 3DES。见CCCryptor。
Newbe 在这里,学习了一些基础知识并遇到了这个正则表达式。如果有人可以帮我解构它,那就太好了。先感谢您 !
$source = "ExpandCamelCaseAPIDescriptorPHP5_3_4Version3_21Beta"; preg_replace('/(?<!^)([A-Z][a-z]|(?<=[a-z])[^a-z]|(?<=