From catalog/rfc9110-http.abnf rule: field-value

Definition

field-value = *field-content

field-content = field-vchar [ 1*( SP / HTAB / field-vchar ) field-vchar ]

field-vchar = VCHAR / obs-text

obs-text = %x80-ff

Info

Rulename
field-value
Dependencies
HTAB, SP, VCHAR, obs-text, field-vchar, field-content, field-value
Used Builtins
HTAB, SP, VCHAR

Alphabet

Translations

Railroad Diagram

field-value field-content

ECMAScript/JavaScript Regular Expression Literal

/^([!-~\u{80}-\u{FF}]?|[!-~\u{80}-\u{FF}][\u{9} -~\u{80}-\u{FF}][\u{9} ]*[!-~\u{80}-\u{FF}]([\u{9} ]+[!-~\u{80}-\u{FF}]|[!-~\u{80}-\u{FF}][\u{9} -~\u{80}-\u{FF}][\u{9} ]*[!-~\u{80}-\u{FF}])*[!-~\u{80}-\u{FF}]?)$/

Swift Regular Expression

[!-~\u{80}-\u{FF}]?|[!-~\u{80}-\u{FF}][\u{9} -~\u{80}-\u{FF}][\u{9} ]*[!-~\u{80}-\u{FF}]([\u{9} ]+[!-~\u{80}-\u{FF}]|[!-~\u{80}-\u{FF}][\u{9} -~\u{80}-\u{FF}][\u{9} ]*[!-~\u{80}-\u{FF}])*[!-~\u{80}-\u{FF}]?

POSIX Extended Regular Expression

[!-~\u{80}-\u{FF}]?|[!-~\u{80}-\u{FF}][\u{9} -~\u{80}-\u{FF}][\u{9} ]*[!-~\u{80}-\u{FF}]([\u{9} ][\u{9} ]*[!-~\u{80}-\u{FF}]|[!-~\u{80}-\u{FF}][\u{9} -~\u{80}-\u{FF}][\u{9} ]*[!-~\u{80}-\u{FF}])*[!-~\u{80}-\u{FF}]?