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Regular Expression Details

Title Test Find Cisco dotted MAC notation
Expression
^([0-9a-f]{4}\.[0-9a-f]{4}\.[0-9a-f]{4})$
Description
Matches against dumps of Cisco MAC address tables on newer versions of Cisco IOS.
Matches
001e.1324.683f|1234.abcd.1234|ffff.ffff.ffff
Non-Matches
001E.1324.683f|001234.abcd.abcd|abcd.1234.abcd.1234|aa-bb-cc-dd-ee-ff|11:22:33:44:55:66
Author Rating: The rating for this expression. Brian Jack
Source
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