public function getOptionsByText($text, $exact_match = true)
	{
		$escaper = $this->getXpathEscaper();

		if ( $exact_match ) {
			$xpath = 'descendant-or-self::option[normalize-space(.) = ' . $escaper->escapeLiteral($text) . ']';
		}
		else {
			$xpath = 'descendant-or-self::option[contains(., ' . $escaper->escapeLiteral($text) . ')]';
		}

		return $this->wrapOptions($this->getWrappedElement()->findAll('xpath', $xpath));
	}