by Brian Layman on WordPress.org
Update or clean the contents of your site, by filtering or replacing words and phrases in your posts, pages, excerpts, titles and comments.

The Options page which controls which mode (Off/Active/Passive) under which the plugin will operate.
Word Filter Plus allows you to replace one word or phrase on your blog, with another word or phrase. It can do this passively, by replacing content as it is displayed, leaving your database unchanged. It can do this actively, by updating the content as it is created or edited, leaving the display of your site efficient as ever. It can even update all of the posts or comments all at once, in a server friendly way.
If you need to run the plugin on multiple sites, there is an export and an import feature to save effort and eliminate mistakes.
This plugin will help you clean up your site’s content. In its simplest form, it finds one word you are using and puts in another word. You might want to replace can replace the word “firetruck” with “f**k” or make your “2112 Rates and Fees” become your “2113 Rates and Fees” everywhere that text exists.
The reasons that you might want to do this are many. Here are seven I thought about as I made this plugin:
There are other plugins that do similar functions, including the Word Replacer Plugin, which formed the foundation of this plugin. However, the “Plus” in “Word Filter Plus” means that I’ve added a number of extra features. These Plus features include:
NOTE: Thank you to my daughter Azia for making the WordPress.org Banner for this plugin.