Procedure

1. Select Edit → Search/Replace Text ([Ctrl+F] on Windows/Linux, [Cmd+F] on macOS) from the main menu or click the button on the toolbar.
   The Search and Replace dialog is displayed:

   
2. Type the text to search for in the Text to Search box.
3. Type the replacement text in the Replace With box.
4. Optionally, select the Case Sensitive checkbox to match only text with the exact letter case entered.
5. Optionally, select the Regular Expression checkbox to treat the search text as a regular expression.
6. Click Find to search from the beginning of the glossary, or Find Next to search from the currently selected cell.
   When a match is found, the cell that contains the text is opened for editing and the matching text is selected.
7. Click Replace to replace the current match, or Replace All to replace every match in the glossary.
   The Replace button is disabled until a match has been found with Find or Find Next.