MAC Address

Published on Sep 2, 2026

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Article summary

A media access control address (MAC address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment.

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Matched expressions

Regex expressions	Description	Score
`\b(?:[0-9A-F]{2}:){5}[0-9A-F]{2}\b`	Matches a hexadecimal numbers 0-9A-F of the format NN:NN:NN:NN:NN:NN.	1
`\b(?:[0-9A-F]{2} ){5}[0-9A-F]{2}\b`	Matches a hexadecimal numbers 0-9A-F of the format NN NN NN NN NN NN.	1
`\b(?:[0-9A-F]{2}\.){5}[0-9A-F]{2}\b`	Matches a hexadecimal numbers 0-9A-F of the format NN.NN.NN.NN.NN.NN.	1
`\b(?:[0-9A-F]{4}:){2}[0-9A-F]{4}\b`	Matches a hexadecimal numbers 0-9A-F of the format NNNN:NNNN	1
`\b(?:[0-9A-F]{4} ){2}[0-9A-F]{4}\b`	Matches a hexadecimal numbers 0-9A-F of the format NNNN NNNN.	1
`\b(?:[0-9A-F]{4}\.){2}[0-9A-F]{4}\b`	Matches a hexadecimal numbers 0-9A-F of the format NNNN.NNNN.	1
`\b[0-9A-F]{12}\b`	Matches a hexadecimal numbers 0-9A-F of the format NNNNNNNNNNNN.	1

Ignored expressions

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