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<?php $str = 'info@sample.com'; preg_match('/\A[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\z/i' . e, $str);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "e" in /in/uE42a:4 Stack trace: #0 {main} thrown in /in/uE42a on line 4
Process exited with code 255.

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