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<?php class Qualtrics { public $input; public function __construct($input) { $this->input = $input; } public function output(){ if($this->allowedFormat($this->input)) { echo $this->input; } else { echo 'Disallowed Characters'; } } private function multiply($factor){ $this->input *=factor; } private function allowedFormat($qString){ return preg_match("/^[a-z0-9:_/\-]+$/i", $qString); } } $qObject = new Qualtrics("string of words"); $qObject ->output();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Unknown modifier '\' in /in/QLrtp on line 20 Disallowed Characters

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