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<?php $result = "°Freenew°\x90ɮ\xC2\xA0"; echo preg_replace('#[\x{0000}-\x{001F}\x{007F}-\x{00A0}]#u', '', $result); //echo preg_last_error(); echo str_replace('\x{00A0}', 'aaa', $result);
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
°Freenew°�ɮ 
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
°Freenew°�ɮ °Freenew°�ɮ 
Output for 4.3.3 - 4.3.4
°Freenew°�ɮ°Freenew°�ɮ 
Output for 4.3.0 - 4.3.2
°Freenew°ɮ°Freenew°�ɮ 
preferences:
219.65 ms | 401 KiB | 314 Q