Bugfix on the regexp

git-svn-id: https://plugins.svn.wordpress.org/rvvideos/trunk@991791 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tagging version 1.9.2

git-svn-id: https://plugins.svn.wordpress.org/rvvideos/trunk@991794 b8457f37-d9ea-0310-8a92-e5e31aec5664