youtube_object_regex

<macro name="youtube_object_regex">

    <![CDATA[\s*<object width="\d+" height="\d+"><param name="movie" value="http://www.youtube.com/v/[^"]+"></param><param name="allowFullScreen" value="\w+"></param><param name="allowscriptaccess" value="\w+"></param><embed src="http://www.youtube.com/v/[^"]+" type="application/x-shockwave-flash" allowscriptaccess="\w+" allowfullscreen="\w+" width="\d+" height="\d+"></embed></object>\s*]]>

</macro>