From catalog/rfc5322-email.abnf rule: domain-literal

Definition

domain-literal = "[" *( dtext ) "]"

dtext = %d33-90 / %d94-126

    

Info

Rulename
domain-literal
Dependencies
dtext, domain-literal
Used Builtins

Alphabet

Translations

Railroad Diagram

domain-literal [ dtext ]

ECMAScript/JavaScript Regular Expression Literal

/^\[[!-Z\^-~]*\]$/

Swift Regular Expression

\[[!-Z\^-~]*\]

POSIX Extended Regular Expression

\[[!-Z\^-~]*]