代理模式的正则表达式

Question

从文本垃圾列表中我使用正则表达式。下面将做这个工作来解析代理模式
(\d{1,3}\.){3}\d{1,3}:\d{2,5}。但是，这种模式解析文字是这样的：

692.248.222.879:43780
692.83.47.579:43780

这是不可能的IP地址。我想知道，如何使用正则表达式跳过这种范围？

我喜欢的工具：Java或C＃，记事本++。但是任何语言都可以。

Answer 1

试试这个：

\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b:\d{2,5} 

'

692.248.222.879:43780 
692.83.47.579:43780 
192.168.1.1:27052 

作品与最后一个唯一

Answer 2

要使用正则表达式验证数字范围，您必须提供所有可能的组合，这就是为什么通常最好使用内置工具（如.NET的IPAddress.TryParse）的原因。但无论如何...

((?:1?\d{1,2}|2[0-4]\d|25[0-5])\.){3}(?:1?\d{1,2}|2[0-4]\d|25[0-5]):\d{2,5} 

Answer 3

"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])$:\d{2,5}"; 

Proof

Answer 4

此正则表达式验证主机名和端口号。此外，它支持任何端口分隔符：

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