looks through a block of text and returns all text that lives inside of handlebars along with its start/end index

getAllTextInsideHandleBars.es6

const parseDatabaseFields = (input) => {
  const pattern = '\{\{(.*?)\}\}';
  const regex = new RegExp(pattern, 'gm');
  let match;
  const matches = [];
  while ((match = regex.exec(input)) !== null) {
    matches.push({
      name: match[0],
      value: match[1],
      startIndex: match.index,
      endIndex: match.index + match[0].length
    });
  }
  return matches;
};