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Network
IPv4 Address Regex
Matches standard IPv4 addresses.
Pattern
/^(?:(?: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]?)$/gm
Test Data
192.168.1.1
255.255.255.255
256.0.0.1
127.0.0.1
Matches standard IPv4 addresses.