?repeats the group contents below at most once:
^start of line
setthe literal text set (case sensitive) \ the literal (3210 / 408 / 2016)
servicethe literal text service (case sensitive) \ the literal (3210 / 408 / 2016)
\"the literal " (3410 / 428 / 2216)
.+any Unicode character (except for line terminators), repeated at least once
\"the literal " (3410 / 428 / 2216)
$end of line
\na line-feed (newline) character (ASCII 10)