def _parse_tokens(self, tokens, i, actions=True):
    '\n        Implemented by subclasses, parses given tokens and returns the results\n\n        :param list(tuple(string, string)) tokens: A tokenized representation of the text to scan. The first string in the tuple is the content, typically a word, and the second string is the part of speech tag.\n        :param int i: The index at which to start scanning from\n        :param bool actions: Whether the actions attached to this element will be executed. Default True.\n        :returns: A tuple where the first element is a list of elements found (can be None if no results were found), and the last index investigated.\n        :rtype: tuple(list(Element) or None, int)\n        '
    return (None, i)
Implemented by subclasses, parses given tokens and returns the results

:param list(tuple(string, string)) tokens: A tokenized representation of the text to scan. The first string in the tuple is the content, typically a word, and the second string is the part of speech tag.
:param int i: The index at which to start scanning from
:param bool actions: Whether the actions attached to this element will be executed. Default True.
:returns: A tuple where the first element is a list of elements found (can be None if no results were found), and the last index investigated.
:rtype: tuple(list(Element) or None, int)
def _parse_tokens(self, tokens, i, actions=True):
    '\n        Implemented by subclasses, parses given tokens and returns the results\n\n        :param list(tuple(string, string)) tokens: A tokenized representation of the text to scan. The first string in the tuple is the content, typically a word, and the second string is the part of speech tag.\n        :param int i: The index at which to start scanning from\n        :param bool actions: Whether the actions attached to this element will be executed. Default True.\n        :returns: A tuple where the first element is a list of elements found (can be None if no results were found), and the last index investigated.\n        :rtype: tuple(list(Element) or None, int)\n        '
    return (None, i)