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Function `std.ascii.isHexDigit`


						
				bool isHexDigit
				(
				

				  dchar c
				

				) pure nothrow @nogc @safe;

Parameters

Name	Description
c	The character to test.

Returns

Whether c is a digit in base 16 (0 .. 9, A .. F, a .. f).

Example

assert( isHexDigit('0'));
assert( isHexDigit('A'));
assert( isHexDigit('f')); // lowercase hex digits are accepted
assert(!isHexDigit('g'));
assert(!isHexDigit('G'));
assert(!isHexDigit('#'));

Authors

Walter Bright and Jonathan M Davis

License

Boost License 1.0.