3v4l.org

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<?php $str = <<<HTML <FONT FACE="League" SIZE="15" COLOR="#000000"><font COLOR="#ff00ff" SIZE="18"><b><font SIZE="23"><font SIZE="27"><font SIZE="23"><font SIZE="18"><font SIZE="23">Moet Flip make-up dragen? <br />Stem mee in de poll!!</font></font></font></font></font></b></font><br /></FONT> HTML; preg_match_all('/color\s*=\s*([\'"]?)#([0-9a-f])\1/i', $str, $matches); var_dump($matches);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> array(0) { } [1]=> array(0) { } [2]=> array(0) { } }

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266.88 ms | 406 KiB | 456 Q