'%(.*?)(?= 'Hotmail doesn\'t show style tags before body tags', 'use_preg_replace' => 1, 'replacement' => '$2', 'match_offset' => 0 ), array( 'regular_expression' => '%@import.*?(\r|\n|\<|;)%', 'description' => 'Hotmail will strip out any @import tags and any CSS tags found within the