same problem here. I just updated Wordpress Seo and when i Went to post editing screen I saw these errors saying.
Warning: preg_match() [function.preg-match]: No ending delimiter '/' found in /home/iocreed/public_html/wp-content/plugins/wordpress-seo/admin/class-metabox.php on line 1435
Warning: preg_match() [function.preg-match]: No ending delimiter '/' found in /home/iocreed/public_html/wp-content/plugins/wordpress-seo/admin/class-metabox.php on line 1435
Warning: preg_match() [function.preg-match]: No ending delimiter '/' found in /home/iocreed/public_html/wp-content/plugins/wordpress-seo/admin/class-metabox.php on line 1435
Warning: preg_match() [function.preg-match]: No ending delimiter '/' found in /home/iocreed/public_html/wp-content/plugins/wordpress-seo/admin/class-metabox.php on line 1435
please some official reply