如何检查用户输入是否是有效的IP地址？
问题描述：
我想检查输入的输入是否是有效的IP地址。我想要一个特定的函数来帮助我验证用户输入。
I want to check if an entered input is a valid IP address or not. I would like a specific function that will help me validate a users input.
我想检查输入的输入是否是有效的IP地址。我想要一个特定的函数来帮助我验证用户输入。
I want to check if an entered input is a valid IP address or not. I would like a specific function that will help me validate a users input.