$re = '/<a .*? style="text-decoration:none;color:#676c6c".*?>.*?<\/a>/';
$str = '<a href="http://SOME-RANDOM-LINK-HERE.com/" style="text-decoration:none;color:#676c6c">SOME RANDOM TEXT HERE</a>
<div id="something">
This is something which wont be deleted.
</div>
<a href="something" style="something"> This should not be deleted </a>';
preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php