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<?php $str = 'ăāæåß§śšşçæåß§ś'; var_export( preg_replace('/(.)(?=.*\1)/u', '', $str );
Output for git.master, git.master_jit
Parse error: syntax error, unexpected token ";", expecting ")" in /in/cbEOe on line 9
Process exited with code 255.

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