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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('รก'));
Authors
License
Copyright © 1999-2025 by the D Language Foundation | Page generated by ddox.