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0001 URI.SafeIframeRegexp 0002 TYPE: string/null 0003 VERSION: 4.4.0 0004 DEFAULT: NULL 0005 --DESCRIPTION-- 0006 <p> 0007 A PCRE regular expression that will be matched against an iframe URI. This is 0008 a relatively inflexible scheme, but works well enough for the most common 0009 use-case of iframes: embedded video. This directive only has an effect if 0010 %HTML.SafeIframe is enabled. Here are some example values: 0011 </p> 0012 <ul> 0013 <li><code>%^http://www.youtube.com/embed/%</code> - Allow YouTube videos</li> 0014 <li><code>%^http://player.vimeo.com/video/%</code> - Allow Vimeo videos</li> 0015 <li><code>%^http://(www.youtube.com/embed/|player.vimeo.com/video/)%</code> - Allow both</li> 0016 </ul> 0017 <p> 0018 Note that this directive does not give you enough granularity to, say, disable 0019 all <code>autoplay</code> videos. Pipe up on the HTML Purifier forums if this 0020 is a capability you want. 0021 </p> 0022 --# vim: et sw=4 sts=4