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Tools/Regex

MAC address

What this is

Cisco also uses dotted quads (aabb.ccdd.eeff). Add a second alternative if you need that form.

/(?:[0-9A-Fa-f]{2}[:-]){5}[0-9A-Fa-f]{2}/g
aa:bb:cc:dd:ee:ff
AA-BB-CC-DD-EE-FF

Open in tester

FAQ

Case?
This is case-insensitive on hex. Normalize to lowercase before storing.

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