Intervention\Validation\Validator::isPassword PHP Method

    public static function isPassword($value)
    {
        $pattern = "/^((?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[\\W]).{6,64})\$/";
        return (bool) preg_match($pattern, $value);
    }

 public function testValidatePassword()
 {
     $good = array('BcD3#2', 'BcD3?2', 'b1xo$S', 'P0rßche', 'Ada59926835096|70074c3d7814a506d', 'ES6]Jascha', 'y0mAma!', '2&c5DSo', 'PW3n_9B,{)Jj[\'Z}oe[[n.W', '<Br0wn>');
     $bad = array('', ' ', '          ', 1, 'abc', 'abcdef', 'abcdef1', 'abcdef1#', '1234567', 'BcD32', '2&c5dso', 'G&cadO', 'x1cAdO', 'x%adO', '<br0wn>', '&nbsp;', 'bcd3_2', 'b1Xo$', 'b1xo$s', 'Porsche', 'test', 'f&casDSo', 'ada59926835096a70074c3d7814a506d', 'identyowehowedeiwckeudepbetyeuw', 'Ada59926835096|70074c3d7814a506dAda59926835096|70074c3d7814a506dX');
     foreach ($good as $password) {
         $this->assertTrue(Validator::isPassword($password));
     }
     foreach ($bad as $password) {
         $this->assertFalse(Validator::isPassword($password));
     }
 }