Get the headers from markdown along with the header type

markdownHeaderParse.js

var re = /(#+)(.*)/;
var str = '## About Bottler\n\nThis is something about the project\n\n# something else\n';

function findAll(regex, sourceString, aggregator = []) {
  const arr = re.exec(sourceString);
  
  if (arr === null) return aggregator;
  
  const newString = sourceString.slice(arr.index + arr[0].length);
  return findAll(regex, newString, aggregator.concat([arr]));
}

findAll(re, str);
// [ ["## About Bottler", "##", " About Bottler"], ["# something else", "#", " something else"] ]