From catalog/rfc9110-http.abnf rule: Last-Modified

Definition

Last-Modified = HTTP-date

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
Last-Modified
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, Last-Modified
Used Builtins
DIGIT, SP

Alphabet

Translations

Railroad Diagram

Last-Modified HTTP-date

Swift Regular Expression

(Tuesda|(Mo|Su)nda|Saturda|Thursda|Wednesda|Frida)(y(, [0-9]([0-9]-Ma[ry]|[0-9]-Ju[ln]|[0-9]-Nov)|, [0-9][0-9]-Jan|, [0-9][0-9]-Sep)|y, [0-9][0-9]-Feb|y, [0-9][0-9]-Apr|y, [0-9][0-9]-Aug|y, [0-9][0-9]-Oct|y, [0-9][0-9]-Dec)-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Tue, [0-9]|(Mo|Su)n, [0-9]|Sat, [0-9]|Thu, [0-9])[0-9] |Wed, [0-9][0-9] |Fri, [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] GM|Jan [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Sep [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|A(ug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|pr [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM)|Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Dec [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Nov [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Ju[ln] [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM)T|(Tue |(Mo|Su)n |Sat |Thu |Wed |Fri )((Feb |Jan |Sep |Apr |Aug |Oct |Dec )[ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|Nov [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|Ju[ln] [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9])|((Tue, [0-9]|(Mo|Su)n, [0-9]|Sat, [0-9]|Thu, [0-9])[0-9] |Wed, [0-9][0-9] |Fri, [0-9][0-9] )Ma[ry] [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|(Tue |(Mo|Su)n |Sat |Thu |Wed |Fri )Ma[ry] [ 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

(Tuesda|(Mo|Su)nda|Saturda|Thursda|Wednesda|Frida)(y(, [0-9]([0-9]-Ma[ry]|[0-9]-Ju[ln]|[0-9]-Nov)|, [0-9][0-9]-Jan|, [0-9][0-9]-Sep)|y, [0-9][0-9]-Feb|y, [0-9][0-9]-Apr|y, [0-9][0-9]-Aug|y, [0-9][0-9]-Oct|y, [0-9][0-9]-Dec)-[0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|((Tue, [0-9]|(Mo|Su)n, [0-9]|Sat, [0-9]|Thu, [0-9])[0-9] |Wed, [0-9][0-9] |Fri, [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] GM|Jan [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Sep [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|A(ug [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|pr [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM)|Oct [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Dec [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Nov [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM|Ju[ln] [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GM)T|(Tue |(Mo|Su)n |Sat |Thu |Wed |Fri )((Feb |Jan |Sep |Apr |Aug |Oct |Dec )[ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|Nov [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]|Ju[ln] [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9])|((Tue, [0-9]|(Mo|Su)n, [0-9]|Sat, [0-9]|Thu, [0-9])[0-9] |Wed, [0-9][0-9] |Fri, [0-9][0-9] )Ma[ry] [0-9][0-9][0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] GMT|(Tue |(Mo|Su)n |Sat |Thu |Wed |Fri )Ma[ry] [ 0-9][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]