Replace words in document

Searches for a word throughout the document and replaces it with the given replacement word.

(function () {
  let doc = Api.GetDocument();
  let range = doc.GetRangeBySelect();
  let rawText = range.GetText();
  range.Delete();
  // Define the word to find and the word to replace it with
  let wordToFind = "oldWord"; // Replace "oldWord" with the word you want to find
  let replacementWord = "newWord"; // Replace "newWord" with the word you want to replace it with
  // Use regular expression to find and replace the word
  let cleanedText = rawText.replace(
    new RegExp(wordToFind, "g"),
    replacementWord
  );
  // Insert the cleanedText with the original paragraph structure
  let paragraph = Api.CreateParagraph();
  paragraph.AddText(cleanedText);
  doc.InsertContent([paragraph]);
})();

Methods used: GetDocument, GetRangeBySelect, GetText, Delete, CreateParagraph, AddText, InsertContent

Reference Microsoft VBA macro code

Sub SimpleFindReplace()
    Selection.Find.Execute FindText:="find", ReplaceWith:="replace", Replace:=wdReplaceAll
End Sub

Result