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Function `std.digest.isHexString`

Validates a hex string.


						
				bool isHexString(String)
				(
				

				  String hex
				

				) pure nothrow @nogc @safe
				

				if (isSomeString!String);

Checks whether all characters following an optional "0x" suffix are valid hexadecimal digits.

Parameters

Name	Description
hex	hexdecimal encoded byte array

Returns

true = if valid

Example

assert(isHexString("0x0123456789ABCDEFabcdef"));
assert(isHexString("0123456789ABCDEFabcdef"));
assert(!isHexString("g"));
assert(!isHexString("#"));

Authors

Johannes Pfau

License

Boost License 1.0.