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Function `std.ascii.isAlphaNum`


						
				bool isAlphaNum
				(
				

				  dchar c
				

				) pure nothrow @nogc @safe;

Parameters

Name	Description
c	The character to test.

Returns

Whether c is a letter or a number (0 .. 9, a .. z, A .. Z).

Example

assert( isAlphaNum('A'));
assert( isAlphaNum('1'));
assert(!isAlphaNum('#'));

// N.B.: does not return true for non-ASCII Unicode alphanumerics:
assert(!isAlphaNum('á'));

Authors

Walter Bright and Jonathan M Davis

License

Boost License 1.0.