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Hexadecimal ↔ number system in base 16 rep by 16 symbols (0-9 & A-F)

aka Hex, base-16

sometimes shown as lowercase a-f

Hexadecimal numbers prefix with 0x in most Programming Language

[<span data-tooltip-id="preview__ZFKJz37wXg86zbCvw">Hexadecimal</span>](hexadecimal) multiplication table

0-15 in hexadecimal​

0123456789ABCDEF

References​

  1. \xdd ↔ regex Metacharacter for Hexadecimal number dd

  2. \uxxxx ↔ regex Metacharacter for unicode character specified by Hexadecimal number xxxx