Xdigit.md

Xdigit

• v::xdigit()

Accepts an hexadecimal number:

v::xdigit()->validate('abc123'); // true

Notice, however, that it doesn't accept strings starting with 0x:

v::xdigit()->validate('0x1f'); // false

---

See also:

• Digit
• Alnum
• HexRgbColor