Microsoft Word's Replace feature is under-used because the more complex the requirement, the more complex the solution. If you're inserting characters into the middle of a string, there is a solution.

Find and Replace in Word is a tool that searches a document for a specific word or phrase. You can use it to replace a word or phrase with another.

Quickly find and replace symbols in Word You're almost at the end of drafting your new client's contract when you realize that you used the registration symbol (®) throughout the Microsoft Word ...

To replace multiple and consecutive spaces with a single tab character, do the following: Choose Replace from the Edit menu (or press [Ctrl]+H) to open the Find And Replace dialog box.