HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>exec loop with g</title>
</head>
<body>
  <h1>exec() loop</h1>
  <pre id="out"></pre>
  <script>
    var re = /\d+/g;
    var text = "a1 b22 c333";
    var found = [];
    var m;
    while ((m = re.exec(text)) !== null) {
      found.push(m[0]);
    }
    document.getElementById("out").textContent =
      JSON.stringify(found) + "\n" +
      "lastIndex: " + re.lastIndex;
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

JavaScript RegExp g modifier — exec() loop (Try It)