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Forum: Shell Programming and Scripting 11-08-2007

regular expression for MAC address validation

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With bash, I use the following regexp: egrep...

With bash, I use the following regexp: egrep "^([0-9a-fA-F]{2}\:){5}[0-9a-fA-F]{2}$"

It's simpler than the one below and accepts capital letters as well.

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