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<?php $names = [ "Mr. Kiefer William Frederick Dempsey George Rufus Sutherland Sr.", "Carolina Maria de Jesus", "Kiefer William Frederick Dempsey George Rufus Sutherland Jr.", "Mrs. Carolina Maria de Jesus"]; foreach($names as $name) { preg_match('/(?:\w+\. )?(\w+).*?(\w+)(?: \w+\.)?$/', $name, $result); echo $result[1] . ' ' . $result[2] . ' = ' . $result[1][0].$result[2][0] . PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
Kiefer Sutherland = KS Carolina Jesus = CJ Kiefer Sutherland = KS Carolina Jesus = CJ

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