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Function std.ascii.isHexDigit
Prototype
bool isHexDigit( dchar c ) pure nothrow @nogc @safe;
Parameters
Name | Description |
---|---|
c | The character to test. |
Returns
Whether
is a digit in base 16 (0..9, A..F, a..f).
c
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