\d+a digit, repeated at least once
\ the literal (3210 / 408 / 2016)
\d+a digit, repeated at least once
\ the literal (3210 / 408 / 2016)
objthe literal text obj (case sensitive) +?matches at least one character from the set below:
\sany whitespace character
\Sany non-whitespace character
endobjthe literal text endobj (case sensitive)