From catalog/abnf-core.abnf rule: HEXDIG
Definition
HEXDIG = DIGIT / "A" / "B" / "C" / "D" / "E" / "F"
DIGIT = %x30-39
Info
- Rulename
- HEXDIG
- Dependencies
- DIGIT, HEXDIG
- Used Builtins
Alphabet
0…9 A…F a…f
Translations
Railroad Diagram
ECMAScript/JavaScript Regular Expression Literal
/^[0-9A-Fa-f]$/
Swift Regular Expression
[0-9A-Fa-f]
POSIX Extended Regular Expression
[0-9A-Fa-f]