@ 2013-05-08T22:15:47Z <?php
$result = "°Freen\x18 ew°\x90ɮ\xc2";
//$result = trim($result,"\xc2"/*"\xa0"*/);
//echo preg_replace('#[\x00-\x1F\x7F-\x9F]#S', '', $result);
$result = preg_replace('~[\x{0000}-\x{001F}\x{007F}-\x{00a0}]~', '', $result);
//reject overly long 2 byte sequences, as well as characters above U+10000 and replace with ?
$result= preg_replace('//[\x00-\x08\x10\x0B\x0C\x0E-\x19\x7F]'.
//'|[\x00-\x7F][\x80-\xBF]+'.
//'|([\xC0\xC1]|[\xF0-\xFF])[\x80-\xBF]*'.
'/[\xC2-\xDF]((?![\x80-\xBF])|[\x80-\xBF]{2,})'.
'|[\xE0-\xEF](([\x80-\xBF](?![\x80-\xBF]))|(?![\x80-\xBF]{2})|[\x80-\xBF]{3,})/S',
'', $result );
echo $result;
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Output for 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Warning: preg_replace(): Unknown modifier '[' in /in/WKv9W on line 13
Output for 4.4.3 - 4.4.9 , 5.1.3 - 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 Warning: preg_replace(): Unknown modifier '[' in /in/WKv9W on line 18
Output for 4.3.11 , 4.4.0 - 4.4.2 , 5.0.0 - 5.0.5 , 5.1.0 - 5.1.2 Warning: preg_replace(): Compilation failed: range out of order in character class at offset 11 in /in/WKv9W on line 9
Warning: preg_replace(): Unknown modifier '[' in /in/WKv9W on line 18
Output for 4.3.0 - 4.3.10 Warning: Compilation failed: range out of order in character class at offset 11 in /in/WKv9W on line 9
Warning: Unknown modifier '[' in /in/WKv9W on line 18
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307.51 ms | 401 KiB | 460 Q