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run code in 150+ php & hhvm versions
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<?php var_dump(preg_match('/^((?!Base).)*Provider$/', 'SystemLayer\T_TaskMonitorTaskProvider')); var_dump(preg_match('/^((?!Base).)*Provider$/', 'DataLayer\om\BaseT_SchemeProvider'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
int(1) int(0)