How to Automatically Remove Number-Only Paragraphs from Google Docs Using Apps Script

function removeNumberOnlyParagraphs() {
  var doc = DocumentApp.getActiveDocument();
  var body = doc.getBody();
  var paragraphs = body.getParagraphs();

  for (var i = paragraphs.length - 1; i >= 0; i--) {
    var text = paragraphs[i].getText();
    if (text.trim().match(/^\d+$/)) {
      paragraphs[i].removeFromParent();
    }
  }
}