HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Validate whole word</title>
</head>
<body>
  <h1>Dynamic boundary check</h1>
  <pre id="out"></pre>
  <script>
    function isWholeWord(text, word) {
      var pattern = new RegExp("\\b" + word + "\\b", "i");
      return pattern.test(text);
    }
    document.getElementById("out").textContent =
      isWholeWord("admin", "admin") + "\n" +
      isWholeWord("administrator", "admin") + "\n" +
      isWholeWord("The ADMIN role", "admin");
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

JavaScript RegExp \b — validate token (Try It)