From catalog/rfc5646-langtag.abnf rule: region
Definition
region = 2ALPHA / 3DIGIT
Info
- Rulename
- region
- Dependencies
- ALPHA, DIGIT, region
- Used Builtins
- ALPHA, DIGIT
Alphabet
0…9A…Z a…z
Translations
Railroad Diagram
Swift Regular Expression
[A-Za-z][A-Za-z]|[0-9][0-9][0-9]
POSIX Extended Regular Expression
[A-Za-z][A-Za-z]|[0-9][0-9][0-9]