pub fn is_alphanumeric(chr: u8) -> bool
Available on crate feature
mtls
only.Expand description
Tests if byte is ASCII alphanumeric: A-Z, a-z, 0-9
ยงExample
assert_eq!(is_alphanumeric(b'-'), false);
assert_eq!(is_alphanumeric(b'a'), true);
assert_eq!(is_alphanumeric(b'9'), true);
assert_eq!(is_alphanumeric(b'A'), true);