<?php $regex='#^(<[^>]+>)*<img#i'; var_dump(preg_match($regex,'<p><span><a href=""><img src="some.jpg"></a></span></p>')); var_dump(preg_match($regex,'<p>Text text text<span><a href=""><img src="some.jpg"></a></span></p>')); var_dump(preg_match($regex,'<p><span>Text text text<a href=""><img src="some.jpg"></a></span></p>'));
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