ex17-14-1

ソース

const html = `<img alt='A "simple" example.'>` +
         `<img alt="Don't abuse it!">`;
const imageTags = html.match(/<img alt=(['"]).*?\1>/g);
for (let i=0; imageTags && i<imageTags.length; i++) {
  console.log(imageTags[i]);
}

/* 実行結果
<img alt='A "simple" example.'>
<img alt="Don't abuse it!">
*/