MediaWiki:External image whitelist


 * 1) Leave this line exactly as it is
 * 2) Put regular expression fragments (just the part that goes between the //) below
 * 3) These will be matched with the URLs of external (hotlinked) images
 * 4) Those that match will be displayed as images, otherwise only a link to the image will be shown
 * 5) Lines beginning with # are treated as comments
 * 6) This is case-insensitive

https://img.youtube.com/vi/[a-zA-Z0-9_-]+/default.jpg


 * 1) Put all regex fragments above this line. Leave this line exactly as it is