regex101: PCRE (Legacy) Match Workspace

Regular Expression

(?'iframe'<iframe .+(?'link'youtube.com\/embed\/.+?)\")

New

<h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p><h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p><h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p><h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p>

Extraction

<h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p><h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p><h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p><h1>title</h1>
<p>
some text here
.......
<iframe src="http://www.youtube.com/embed/suEGD8aaSzI?list&playauto=1" width="560" height="315" frameborder="0" scrolling="auto"></iframe>
.......
</p>
</p>