From catalog/rfc9110-http.abnf rule: Authentication-Info

Definition

Authentication-Info = *auth-param

auth-param = token BWS "=" BWS (token / quoted-string)

token = 1*tchar

tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~" / DIGIT / ALPHA

quoted-string = DQUOTE *(qdtext / quoted-pair) DQUOTE

quoted-pair = "\" (HTAB / SP / VCHAR / obs-text)

qdtext = HTAB / SP / %x21 / %x23-5b / %x5d-7e / obs-text

obs-text = %x80-ff

BWS = OWS

OWS = *(SP / HTAB)

Info

Rulename
Authentication-Info
Dependencies
HTAB, SP, OWS, BWS, DQUOTE, obs-text, qdtext, VCHAR, quoted-pair, quoted-string, ALPHA, DIGIT, tchar, token, auth-param, Authentication-Info
Used Builtins
ALPHA, DIGIT, DQUOTE, HTAB, SP, VCHAR

Alphabet

Translations

Railroad Diagram

Authentication-Info auth-param

Swift Regular Expression

([!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|[\u{9} ][\u{9} ]*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"))|[!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~]((|=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~])*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|[\u{9} ][\u{9} ]*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*")))*(|[!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])|[!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~]((|=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~])*(|=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]))

POSIX Extended Regular Expression

([!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|[\u{9} ][\u{9} ]*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"))|[!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~]((|=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~])*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|[\u{9} ][\u{9} ]*(=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*"|=[\u{9} ]*"[\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\([\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*\\)*[\u{9} -~\u{80}-\u{FF}][\u{9} -!#-\[\]-~\u{80}-\u{FF}]*")))*(|[!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])|[!#-'*-+\--.0-9A-Z\^-z|~][!#-'*-+\--.0-9A-Z\^-z|~]*(=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~]((|=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~])[!#-'*-+\--.0-9A-Z\^-z|~])*(|=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]|[\u{9} ][\u{9} ]*=[\u{9} ]*[!#-'*-+\--.0-9A-Z\^-z|~]))