(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun), (?:[0-2][0-9]|3[01]) (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} (?:[01][0-9]|2[0-3]):[012345][0-9]:[012345][0-9] GMT|(?:Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday), (?:[0-2][0-9]|3[01])-(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-\d{2} (?:[01][0-9]|2[0-3]):[012345][0-9]:[012345][0-9] GMT|(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun) (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (?:[ 1-2][0-9]|3[01]) (?:[01][0-9]|2[0-3]):[012345][0-9]:[012345][0-9] \d{4})