Regex for IP Address Validation Tool
Regex for IP Address Validation
Enter IP addresses to validate using regular expressions. Supports both IPv4 and IPv6 formats.
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Enter IP addresses in the input field (one per line) and click "Validate IP Addresses". Toggle between IPv4 and IPv6 modes to test different address formats. The tool will show validation results with the matching regex patterns.
Why IP Address Validation Matters
Proper IP address validation is crucial for network applications, security systems, and data integrity. Regular expressions provide a fast, client-side method to validate IP addresses before processing or storage.
Use Cases for IP Validation
This tool is perfect for:
- Validating user input in network configuration forms
- Filtering and processing network logs and data
- Building security rules and access control lists
- API input validation for network-related endpoints
- Testing regex patterns for IPv4 and IPv6 addresses
Regex Patterns Used
The tool uses industry-standard regex patterns optimized for accuracy and performance. IPv4 validation checks for proper octet ranges (0-255), while IPv6 validation handles various formats including compressed notation.
Frequently Asked Questions
Q. What IP address formats are supported?
The tool supports standard IPv4 (192.168.1.1) and IPv6 (2001:db8::1) formats, including compressed IPv6 notation.
Q. Are private IP addresses validated?
Yes, the tool validates the format of both public and private IP addresses. It checks syntax, not reachability.
Q. How accurate are the regex patterns?
The patterns are designed for high accuracy, checking proper ranges for IPv4 octets and valid IPv6 hexadecimal groups.
Q. Can I use these regex patterns in my code?
Absolutely! The tool displays the exact regex patterns used, which you can copy for your applications.
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