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  <title>_.escapeRegExp - search and replace</title>
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  <h1>_.escapeRegExp - search and replace</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var text = "Replace $ and ^ with _";
      var searchString = "$^";
      var escaped = _.escapeRegExp(searchString);
      var regex = new RegExp(escaped, "g");
      var replaced = text.replace(regex, "_");
      var lines = [
        "original text:",
        text,
        "",
        "search pattern (literal):",
        searchString,
        "",
        "escaped pattern:",
        escaped,
        "",
        "replaced:",
        replaced
      ];
      document.getElementById("out").textContent = lines.join("\n");
    })();
  </script>
</body>
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