hot.dev/hot-std / ::hot::hex

Functions

decode core

fn (hex-str: Str): Bytes

Decode hexadecimal string to bytes.

Example

decode("48656c6c6f")
// [0x48, 0x65, 0x6c, 0x6c, 0x6f] (bytes for "Hello")

// Convert to string
Str(::hot::base64/decode(::hot::base64/encode(decode("48656c6c6f"))))

encode core

fn (data: Str | Bytes): Str

Encode bytes or string to hexadecimal string.

Example

encode("Hello")
// "48656c6c6f"

encode([0x48, 0x65, 0x6c, 0x6c, 0x6f])
// "48656c6c6f"

is-valid

fn (s: Str): Bool

Check if a string is valid hexadecimal (even length, valid hex characters).

Example

is-valid("48656c6c6f")  // true
is-valid("48656c6c6")   // false (odd length)
is-valid("ghijkl")      // false (invalid chars)