HEADER(
   LIBDAT("GTASK")
   VENDOR("DeltaQ")
   Environment("zeronom")
   TASK_VERSION("5.2")
   GENRE_BY("dumpTc")
)
...
...
HEADER(
   LIBDAT("GTASK")
   VENDOR("DeltaQ")
   Environment("zeronom")
   TASK_VERSION("5.2")
   GENERATED_BY("dumpTc")
)
...
...
HEADER(
   LIBDAT("GTASK")
   VENDOR("DeltaQ")
   Environment("zeronom")
   TASK_VERSION("5.2.1")
   GENRE_BY("dumpTc")
)
...
...

##</code><code>##

HEADER(
   LIBDAT("GTASK")
   VENDOR("DeltaQ")
   Environment("zeronom")
   TASK_VERSION("5.2")
   GENRE_BY("dumpTc")
)

##</code><code>##

HEADER(
   LIBDAT("GTASK")
   VENDOR("DeltaQ")
   Environment("zeronom")
   TASK_VERSION("5.2.1")
   GENRE_BY("dumpTc")
)

##</code><code>##

...
if(/^HEADER(.*?)GENRE_BY(.*)/) {
  print;
}
...

##</code><code>##

<code>
HEADER(
   LIBDAT("GTASK")
   VENDOR("DeltaQ")
   Environment("zeronom")
   TASK_VERSION("5.2")
   GENRE_BY("dumpTc")
)

##</code><code>##

HEADER(
   LIBDAT("GTASK")
   VENDOR("DeltaQ")
   Environment("zeronom")
   TASK_VERSION("5.2")
   GENRE_BY("dumpTc")
)