(Sun|Mon|Tue|Wed|Thu|Fri|Sat) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) [0123]\d [012]\d:[0-5]\d:[0-5]\d +\d{4} [12]\d{3}
または
(Sun|Mon|Tue|Wed|Thu|Fri|Sat) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) [0123]\d [012]\d:[0-5]\d:[0-5]\d \+\d{4} 20\d{2}