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<?php $x = "¤"; $x .= "ä"; $re = '/ä/i'; $m = array(); if (preg_match($re, $x, $m) === 1) { print "<pre>" . print_r($m, 1) . "</pre>"; print "<pre>" . $x . "</pre>"; } else { print "GNU"; } print "<br />Done";
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<pre>Array ( [0] => ä ) </pre><pre>¤ä</pre><br />Done

preferences:
231.29 ms | 406 KiB | 352 Q