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