Find and Replace for FireFox is a Firefox addon, can help you to find and replace text in the current webpage.
To access the replace form either use your right click context menu or the keyboard shortcut shift + R. You can either replace one instance or all instances of a text phrase. Also supports new line replacing, unlike any other find and replace addon.
Find and Replace for FireFox Features:
1. Replace single instance from mouse cursor
2. Alerts when nothing was replaced
3. Regular expression searching

Requirements:
* Firefox

The license of this software is Freeware, you can free download and free use this browser plug-ins software.