from typing import List
import re


def dummy_get_token_indices(text: str) -> List[List[int]]:
    """Get the start/stop char indices of word boundaries.

    >>> john_damascus_corinth = "Τοῦτο εἰπὼν, ᾐνίξατο αἰτίους ὄντας"
    >>> indices_words = dummy_get_token_indices(text=john_damascus_corinth)
    >>> indices_words[0:3]
    [[0, 5], [6, 11], [13, 20]]
    """
    indices_words = list()
    pattern_word = re.compile(r"\w+")
    for word_match in pattern_word.finditer(string=text):
        idx_word_start, idx_word_stop = word_match.span()
        indices_words.append([idx_word_start, idx_word_stop])
    return indices_words