МедиаВики:Spam-blacklist

#

# External URLs matching this list will be blocked when added to a page.
# This list affects only this wiki; refer also to the global blacklist.
# For documentation see https://www.mediawiki.org/wiki/Extension:SpamBlacklist
#
# Syntax is as follows:
#   * Everything from a "#" character to the end of the line is a comment
#   * Every non-blank line is a regex fragment which will only match hosts inside URLs

 #

\byoutube\.com\b