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Function std.ascii.isLower

Prototype

bool isLower(
  dchar c
) pure nothrow @nogc @safe;

Parameters

NameDescription
c The character to test.

Returns

Whether c is a lowercase ASCII letter (a..z).

Example

assert( isLower('a'));
assert(!isLower('A'));
assert(!isLower('#'));

// N.B.: does not return true for non-ASCII Unicode lowercase letters
assert(!isLower('á'));
assert(!isLower('Á'));

Authors

Walter Bright and Jonathan M Davis

License

Boost License 1.0.

Comments