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<?php $str = 'SH CH AKHALSDJOA'; echo mb_ereg_replace('[^CS]H', '', $str)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/gRZjH on line 4
Process exited with code 255.
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173.97 ms | 1395 KiB | 36 Q