The third parameter is a Match Evaluator delegate that represents the method that processes and replaces the matched text. Compile To Assembly method to include this regular expression in a regular expression library.
method does not verify that the top-level domain name is a valid domain name listed at the IANA Root Zone Database, which would require a look-up operation. Is Null Or Empty(str In) Then Return False ' Use Idn Mapping class to convert Unicode domain names.
Instead, the regular expression merely verifies that the top-level domain name consists of between two and twenty-four ASCII characters, with alphanumeric first and last characters and the remaining characters being either alphanumeric or a hyphen (-).
All you need to do is to enter a MAC address and click the "Validate" button.
Validation result will be displayed in the result area. A MAC address is a unique identifier assigned to most network adapters or network interface cards (NICs) by the manufacturer for identification, IEEE 802 standards use 48 bites or 6 bytes to represent a MAC address.
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