How to validate IPv4 and IPv6 using regular expressions in python
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In this tutorial, we’ll explore how to validate IPv4 and IPv6 addresses using regular expressions in Python. Regular expressions provide a powerful and flexible way to match patterns in strings, making them ideal for validating IP addresses.
Make sure you have Python installed on your system. You can download Python from python.org.
IPv4 Address Validation: IPv4 addresses consist of four decimal numbers separated by dots, ranging from 0 to 255. For example, “192.168.1.1”.
IPv6 Address Validation: IPv6 addresses are more complex, composed of eight groups of hexadecimal digits separated by colons. For example, “2001:0db8:85a3:0000:0000:8a2e:0370:7334”.
First, import the re module, which provides support for regular expressions in Python.
Define regular expressions for both IPv4 and IPv6 addresses.
Now, let’s create a function to validate IPv4 addresses using the defined regular expression.
Create a similar function to validate IPv6 addresses.
Let’s test the functions with some sample addresses.
Run the script, and you should see output indicating whether the provided addresses are valid IPv4 or IPv6 addresses.
That’s it! You’ve successfully created a Python script to validate IPv4 and IPv6 addresses using regular expressions. You can now use these functions in your projects to ensure that the provided IP addresses meet the required format.
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