I am having same problem as well.
Warning: preg_match() [function.preg-match]: No ending delimiter '/' found in /{path}/codesamplez.com/wp-content/plugins/wordpress-seo/admin/class-metabox.php on line 1435
Warning: Cannot modify header information - headers already sent by (output started at /{path}/codesamplez.com/wp-content/plugins/wordpress-seo/admin/class-metabox.php:1435) in /home/content/89/5525689/html/codesamplez.com/wp-includes/pluggable.php on line 876
