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<?php $result = "°Freen\x18 ew°\x90ɮ\xc2"; $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( '/[\xC2-\xDF]((?![\x80-\xBF])|[\x80-\xBF]{2,})/S', '', $result ); echo $result;
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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
°Freen ew°ɮ
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/vrsXn on line 5
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: range out of order in character class at offset 11 in /in/vrsXn on line 5
preferences:
246.45 ms | 401 KiB | 356 Q