正则表达式模式接受一个或多个ip地址？ [英] regular expression pattern to accept one or multiple ip addresses?

问题描述

我在正则表达式下面使用

I am using below regular expression pattern

pattern="^(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))$|\s*

它会接受任何以下ip地址之一

It will accept any one of the below ip address

1.1.2.3 or 192.122.134.1 or 198.23.45.56 

但是我希望它应该接受单个以及ip地址以及逗号分隔，如下所示

But i want it should accept single as well as ip addresses with comma separated as well like below

1.1.2.3,192.122.134.1,198.23.45.56 

我必须在正则表达式中做些什么改变？

What changes i have to do in my regular expression?

推荐答案

慢慢变得难以理解，但在这里你是：

It slowly becomes incomprehensible, but here you are:

^（\d | [1-9] \d | 1 \\\\d | 2（[0-4 ] \d | 5 [0-5]）） （\d | [1-9] \d | 1\d\d | 2（[0-4] \d | 5 [0-5]））。（\d | [1 -9] \d | 1\d\d | 2（[0-4] \d | 5 [0-5]）。）（\d | [1-9] \d | 1 \d\d | 2（[0-4] \d | 5 [0-5]））（（\d | [1-9] \d | 1\d\d | 2（[0-4] \d | 5 [0-5]）。）（\d | [1-9] \d | 1\d\d | 2（[0-4] \\ \\d | 5 [0-5]））...（\d | [1-9] \d | 1\d\d | 2（[0-4] \d | 5 [0-5 ]））（\d |。[1-9] \d | 1\d\d | 2（[0-4] \d | 5 [0-5]）））* $

^(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))(,(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])))*$

这里发生的是：

让我们打电话给你的IP regexp IP ：

let's call your IP regexp IP:

IP =（（\d | [1-9] \d | 1 \\\ d | 2（[0-4] \d | 5 [0-5]）。）（\d | [1-9] \d | 1\d\d | 2（[0-4 ] \d | 5 [0-5]））...（\d | [1-9] \d | 1\d\d | 2（[0-4] \d | 5 [0 -5））（\d |。[1-9] \d | 1\d\d | 2（[0-4] \d | 5 [0-5]）））

IP = ((\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])).(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5])))

所以我们只需要用逗号重复它：

so we just have to repeat it with comma:

^ IP（，IP）* $

^IP(,IP)*$

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