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<?php echo preg_replace('@(?=\pL)@u', '*', 'م'); // prints: '*م' ✓ echo preg_replace('@(?=\pL)@u', '*', 'ض'); // prints: '*ض' ✓ echo preg_replace('@(?=\pL)@u', '*', 'غ'); // prints: '*�*�' ✗ echo preg_replace('@(?=\pL)@u', '*', 'ص'); // prints: '*�*�' ✗
Output for 4.4.0 - 4.4.9, 5.0.5, 5.1.1 - 5.1.6, 5.5.27 - 5.5.37, 5.6.11 - 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
*م*ض*غ*ص
Output for 5.2.9 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.26, 5.6.0 - 5.6.10
*م*ض*�*�*�*�
Output for 5.2.0 - 5.2.8
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/P4G9f on line 5
Process exited with code 255.
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 2 Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 3 Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 4 Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 5
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 2 Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 3 Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 4 Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 4 in /in/P4G9f on line 5

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237.87 ms | 402 KiB | 350 Q