code: def matches(self, value, caseSensitive=True):
          
          newq = self.copy()
          newq.setOp(Query.Op.Matches)
          newq.setValue(value)
          newq.setCaseSensitive(caseSensitive)
          return newq
docs: Sets the operator type to Query.Op.Matches and sets \
          the value to the inputted regex expression.  This method will only work \
          on text based fields.
          
          :param      value       <str>
          
          :return     <Query>
          
          :usage      |>>> from orb import Query as Q
                      |>>> query = Q('test').matches('^\d+-\w+$')
                      |>>> print query
                      |test matches ^\d+-\w+$