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Encode a Text value in Base16 with padding.

See: RFC-4648 section 8

Decode a padded Base16-encoded Text value

See: RFC-4648 section 8

Tell whether a Text value is Base16-encoded.

Examples:

This example will fail. It conforms to the alphabet, but is not valid because it has an incorrect (odd) length.

>>> isBase16 "666f6"
False

This example will succeed because it satisfies the alphabet and is considered "valid" (i.e. of the correct size and shape).

>>> isBase16 "666f"
True

Tell whether a Text value is a valid Base16 format.

This will not tell you whether or not this is a correct Base16 representation, only that it conforms to the correct shape. To check whether it is a true Base16 encoded Text value, use isBase16.

Examples:

This example will fail because it does not conform to the Hex alphabet.

>>> isValidBase16 "666f+/6"
False

This example will succeed because it satisfies the alphabet and is considered "valid" (i.e. of the correct size and shape), but is not correct base16 because it is the wrong shape.

>>> isValidBase16 "666f6"
True