From catalog/abnf-syntax.abnf rule: rulename

Definition

rulename = ALPHA *( ALPHA / DIGIT / "-" )

Info

Rulename
rulename
Dependencies
ALPHA, DIGIT, rulename
Used Builtins
ALPHA, DIGIT

Alphabet

Translations

Railroad Diagram

rulename ALPHA ALPHA DIGIT -

ECMAScript/JavaScript Regular Expression Literal

/^[A-Za-z][\-0-9A-Za-z]*$/

Swift Regular Expression

[A-Za-z][\-0-9A-Za-z]*

POSIX Extended Regular Expression

[A-Za-z][\-0-9A-Za-z]*