Index: wp-includes/class-oembed.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- wp-includes/class-oembed.php	(revision 23296)
+++ wp-includes/class-oembed.php	(revision )
@@ -51,6 +51,8 @@
  			'#https?://(www\.)?soundcloud\.com/.*#i'             => array( 'http://soundcloud.com/oembed',                      true  ),
 			'#https?://(www\.)?slideshare.net/*#'                => array( 'http://www.slideshare.net/api/oembed/2',            true  ),
 			'#http://instagr(\.am|am\.com)/p/.*#i'               => array( 'http://api.instagram.com/oembed',                   true  ),
+			'http://www.meetup.com/*'                           => array( 'http://api.meetup.com/oembed?url=',                  false ),
+			'http://meetup.com/*'                               => array( 'http://api.meetup.com/oembed?url=',                  false ),
 		) );
 
 		// Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop().