def select_objects(self, json_string, expr):
load_input_json = self.string_to_json(json_string)<EOL>tree = objectpath.Tree(load_input_json)<EOL>values = tree.execute(expr)<EOL>return list(values)<EOL>
Return list of elements from _json_string_, matching [ http://objectpath.org// | ObjectPath] expression.

*Args:*\n
_json_string_ - JSON string;\n
_expr_ - ObjectPath expression;

*Returns:*\n
List of found elements. If no elements were found, empty list will be returned

*Example:*\n
| *Settings* | *Value* |
| Library    | JsonValidator |
| Library    | OperatingSystem |
| *Test Cases* | *Action* | *Argument* | *Argument* |
| Select json objects  | ${json_example}=   | OperatingSystem.Get File |   ${CURDIR}${/}json_example.json |
|                      |  ${json_objectss}= | Select objects  |  ${json_example}  |  $..book[@.author.name is "Evelyn Waugh"].price |
=>\n
| [12.99]