From catalog/rfc9110-http.abnf rule: Retry-After

Definition

Retry-After = HTTP-date / delay-seconds

delay-seconds = 1*DIGIT

HTTP-date = IMF-fixdate / obs-date

obs-date = rfc850-date / asctime-date

rfc850-date = day-name-l "," SP date2 SP time-of-day SP GMT

day-name-l = %s"Monday" / %s"Tuesday" / %s"Wednesday" / %s"Thursday" / %s"Friday" / %s"Saturday" / %s"Sunday"

date2 = day "-" month "-" 2DIGIT

asctime-date = day-name SP date3 SP time-of-day SP year

date3 = month SP (2DIGIT / (SP DIGIT))

IMF-fixdate = day-name "," SP date1 SP time-of-day SP GMT

time-of-day = hour ":" minute ":" second

second = 2DIGIT

minute = 2DIGIT

hour = 2DIGIT

day-name = %s"Mon" / %s"Tue" / %s"Wed" / %s"Thu" / %s"Fri" / %s"Sat" / %s"Sun"

date1 = day SP month SP year

year = 4DIGIT

month = %s"Jan" / %s"Feb" / %s"Mar" / %s"Apr" / %s"May" / %s"Jun" / %s"Jul" / %s"Aug" / %s"Sep" / %s"Oct" / %s"Nov" / %s"Dec"

day = 2DIGIT

GMT = %s"GMT"

Info

Rulename
Retry-After
Dependencies
GMT, SP, DIGIT, day, month, year, date1, day-name, hour, minute, second, time-of-day, IMF-fixdate, date3, asctime-date, date2, day-name-l, rfc850-date, obs-date, HTTP-date, delay-seconds, Retry-After
Used Builtins
DIGIT, SP

Alphabet

Translations

Railroad Diagram

Retry-After HTTP-date delay-seconds

Swift Regular Expression

[0-9][0-9]*|(Thu, |Sun, |Mon, |Wed, |Tue, )[0-9]([0-9]( Ma[ry]| Apr) |[0-9] Ju[ln] |[0-9] Jan |[0-9] Nov |[0-9] Dec |[0-9] Sep )[0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Thu Ma[ry]|Thu Apr) [ 0-9]|Su(n Ma[ry]|n Apr) [ 0-9]|(Thu Ja|Sun Ja)n [ 0-9]|(Thu Ju|Sun Ju)[ln] [ 0-9]|(Thu N|Sun N)ov [ 0-9]|M(o(n Ma[ry]|n Apr) [ 0-9]|on Jan [ 0-9]|on Ju[ln] [ 0-9]|on Nov [ 0-9])|W(e(d Ma[ry]|d Apr) [ 0-9]|ed Jan [ 0-9]|ed Ju[ln] [ 0-9]|ed Nov [ 0-9])|(Thu D|Sun D|Mon D|Wed D)ec [ 0-9]|Tu((e Ma[ry]|e Apr) [ 0-9]|e Jan [ 0-9]|e Ju[ln] [ 0-9]|e Nov [ 0-9]|e Dec [ 0-9])|(Thu S|Sun S|Mon S|Wed S|Tue S)ep [ 0-9])[0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|(Thursday, |Sunday, |Monday, |Tuesday, |Wednesday, )[0-9]([0-9]-Aug-|[0-9]-Apr-|[0-9]-Ju[ln]-|[0-9]-Jan-|[0-9]-Oct-|[0-9]-Ma[ry]-|[0-9]-Nov-|[0-9]-Feb-|[0-9]-Dec-)[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|(Thu Au|Sun Au|Mon Au|Wed Au|Tue Au)g [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|(Thu, |Sun, |Mon, |Wed, |Tue, )[0-9][0-9] Aug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|(Thursday, |Sunday, |Monday, |Tuesday, |Wednesday, )[0-9][0-9]-Sep-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Thu O|Sun O)c|Mon Oc|Wed Oc|Tue Oc)t [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|(Thu, |Sun, |Mon, |Wed, |Tue, )[0-9][0-9] Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|Sa(t, [0-9]([0-9]( Ma[ry]| Apr) |[0-9] Ju[ln] |[0-9] Jan |[0-9] Nov |[0-9] Dec |[0-9] Sep )[0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((t Ma[ry]|t Apr) [ 0-9]|t Jan [ 0-9]|t Ju[ln] [ 0-9]|t Nov [ 0-9]|t Dec [ 0-9]|t Sep [ 0-9])[0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|turday, [0-9]([0-9]-Aug-|[0-9]-Apr-|[0-9]-Ju[ln]-|[0-9]-Jan-|[0-9]-Oct-|[0-9]-Ma[ry]-|[0-9]-Nov-|[0-9]-Feb-|[0-9]-Dec-)[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|t Aug [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|t, [0-9][0-9] Aug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|turday, [0-9][0-9]-Sep-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|t Oct [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|t, [0-9][0-9] Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT)|((Thu, |Sun, |Mon, |Wed, |Tue, )[0-9][0-9] Fe|Sat, [0-9][0-9] Fe)b [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Thu F|Sun F|Mon F|Wed F|Tue F)e|Sat Fe)b [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|Fr(i, [0-9]([0-9]( Ma[ry]| Apr) |[0-9] Ju[ln] |[0-9] Jan |[0-9] Nov |[0-9] Dec |[0-9] Sep )[0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((i Ma[ry]|i Apr) [ 0-9]|i Jan [ 0-9]|i Ju[ln] [ 0-9]|i Nov [ 0-9]|i Dec [ 0-9]|i Sep [ 0-9])[0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|iday, [0-9]([0-9]-Aug-|[0-9]-Apr-|[0-9]-Ju[ln]-|[0-9]-Jan-|[0-9]-Oct-|[0-9]-Ma[ry]-|[0-9]-Nov-|[0-9]-Feb-|[0-9]-Dec-)[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i Aug [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|i, [0-9][0-9] Aug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|iday, [0-9][0-9]-Sep-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i Oct [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|i, [0-9][0-9] Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i, [0-9][0-9] Feb [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i Feb [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9])

POSIX Extended Regular Expression

[0-9][0-9]*|(Thu, |Sun, |Mon, |Wed, |Tue, )[0-9]([0-9]( Ma[ry]| Apr) |[0-9] Ju[ln] |[0-9] Jan |[0-9] Nov |[0-9] Dec |[0-9] Sep )[0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Thu Ma[ry]|Thu Apr) [ 0-9]|Su(n Ma[ry]|n Apr) [ 0-9]|(Thu Ja|Sun Ja)n [ 0-9]|(Thu Ju|Sun Ju)[ln] [ 0-9]|(Thu N|Sun N)ov [ 0-9]|M(o(n Ma[ry]|n Apr) [ 0-9]|on Jan [ 0-9]|on Ju[ln] [ 0-9]|on Nov [ 0-9])|W(e(d Ma[ry]|d Apr) [ 0-9]|ed Jan [ 0-9]|ed Ju[ln] [ 0-9]|ed Nov [ 0-9])|(Thu D|Sun D|Mon D|Wed D)ec [ 0-9]|Tu((e Ma[ry]|e Apr) [ 0-9]|e Jan [ 0-9]|e Ju[ln] [ 0-9]|e Nov [ 0-9]|e Dec [ 0-9])|(Thu S|Sun S|Mon S|Wed S|Tue S)ep [ 0-9])[0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|(Thursday, |Sunday, |Monday, |Tuesday, |Wednesday, )[0-9]([0-9]-Aug-|[0-9]-Apr-|[0-9]-Ju[ln]-|[0-9]-Jan-|[0-9]-Oct-|[0-9]-Ma[ry]-|[0-9]-Nov-|[0-9]-Feb-|[0-9]-Dec-)[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|(Thu Au|Sun Au|Mon Au|Wed Au|Tue Au)g [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|(Thu, |Sun, |Mon, |Wed, |Tue, )[0-9][0-9] Aug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|(Thursday, |Sunday, |Monday, |Tuesday, |Wednesday, )[0-9][0-9]-Sep-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Thu O|Sun O)c|Mon Oc|Wed Oc|Tue Oc)t [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|(Thu, |Sun, |Mon, |Wed, |Tue, )[0-9][0-9] Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|Sa(t, [0-9]([0-9]( Ma[ry]| Apr) |[0-9] Ju[ln] |[0-9] Jan |[0-9] Nov |[0-9] Dec |[0-9] Sep )[0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((t Ma[ry]|t Apr) [ 0-9]|t Jan [ 0-9]|t Ju[ln] [ 0-9]|t Nov [ 0-9]|t Dec [ 0-9]|t Sep [ 0-9])[0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|turday, [0-9]([0-9]-Aug-|[0-9]-Apr-|[0-9]-Ju[ln]-|[0-9]-Jan-|[0-9]-Oct-|[0-9]-Ma[ry]-|[0-9]-Nov-|[0-9]-Feb-|[0-9]-Dec-)[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|t Aug [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|t, [0-9][0-9] Aug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|turday, [0-9][0-9]-Sep-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|t Oct [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|t, [0-9][0-9] Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT)|((Thu, |Sun, |Mon, |Wed, |Tue, )[0-9][0-9] Fe|Sat, [0-9][0-9] Fe)b [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Thu F|Sun F|Mon F|Wed F|Tue F)e|Sat Fe)b [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|Fr(i, [0-9]([0-9]( Ma[ry]| Apr) |[0-9] Ju[ln] |[0-9] Jan |[0-9] Nov |[0-9] Dec |[0-9] Sep )[0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((i Ma[ry]|i Apr) [ 0-9]|i Jan [ 0-9]|i Ju[ln] [ 0-9]|i Nov [ 0-9]|i Dec [ 0-9]|i Sep [ 0-9])[0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|iday, [0-9]([0-9]-Aug-|[0-9]-Apr-|[0-9]-Ju[ln]-|[0-9]-Jan-|[0-9]-Oct-|[0-9]-Ma[ry]-|[0-9]-Nov-|[0-9]-Feb-|[0-9]-Dec-)[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i Aug [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|i, [0-9][0-9] Aug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|iday, [0-9][0-9]-Sep-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i Oct [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|i, [0-9][0-9] Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i, [0-9][0-9] Feb [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|i Feb [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9])