regex - Use PHP to extract specific string data -


the iframe assigned variable $string. want extract texts between embed/ , ?rel in iframes src. looking code sl-2oyai35o

<iframe width="420" height="315" src="http://www.youtube.com/embed/sl-2oyai35o?rel=0" frameborder="0" allowfullscreen></iframe>

would need use php substr function or regex? cant use regular substring because start value may differ.

$text = '<iframe width="420" height="315" src="http://www.youtube.com/embed/sl-2oyai35o?rel=0" frameborder="0" allowfullscreen></iframe>';  preg_match('`embed/(.+)\?rel`i', $text, $matches); $code = (!empty($matches[1])) ? $matches[1] : '';

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