Simple and much needed Find / Replace functionality.
(The 'Find' dialog is the simplified version of the Replace dialog)
You can either type in a string to find or select a Field from the combo box.
Type the string you want to replace it with
Check this if you only want to replace whole words
Move to the next instance of the 'Find-what' string
String to replace the found string with
Replace all instances of the 'Find-what' string