##
/( # start selection
\w{3} # Tue
\s # one space
\w{3} # Sep
\s+ # one or more spaces
\d+ # 5 (day, one or more digits)
\s # one space
\d+:\d+:\d+ # 10:26:44
\s+ # one or more spaces
(?:\w+\s+)? # optional timezone GMT
\d+ # year
) # end of selection
/x # x - allows whitespace in regexp
####
/(\w{3}\s\w{3}\s+\d+\s\d+:\d+:\d+\s+(?:\w+\s+)?\d+)/