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How to write a regular expression to validate GUID (Globally Unique IDentifier) or UUID (Universally...
How to write a regular expression to validate GUID (Globally Unique IDentifier) or UUID (Universally...
All credit card numbers issued by Diners Club must start with 300 through 305, 36 or 38 and have 14 ...
According to the IEEE 802 specification, a MAC address has 6 groups of 2 hexadecimal digits separate...
All credit card numbers issued by Diners Club must start with 300 through 305, 36 or 38 and have 14 ...