support inline text highlight
support inline text highlight

JavaScript regexp /.*/m doesn't support multi-lines. /[\s\S]*/m works.

Change-Id: I7f11b49578d7d7c9e3b4944798eb6ae869f1cf33
Reviewed-on: http://cr.qtquick.me/515
Tested-by: http://ci.qtquick.me/
Reviewed-by: Tasuku Suzuki <42980d970444f9101663582e70cd53623b3238b4@gmail.com>
Tested-by: Tasuku Suzuki <42980d970444f9101663582e70cd53623b3238b4@gmail.com>

qt-users-jp/silk,qt-users-jp/silk,yatsek/silk,yatsek/silk,qt-users-jp/silk,yatsek/silk,yatsek/silk,qt-users-jp/silk