I fixed an issue with Tumblr Savior v0.4.1 with the match whole words function. It should be working again. I also submitted the Firefox version of Tumblr Savior to the Add-On Gallery but it may be a while before it gets approved, you can keep an eye on it here: https://addons.mozilla.org/en-US/firefox/addon/tumblr-savior/
You can download Tumblr Savior from the following locations:
I know many Firefox users have been itching to have a Tumblr Savior add-on.
Go get it, folks!
THE AKANA IUMOLA GROUP : Found this while looking through apps in the app store and really liked the tweaks it offers for ALL Browsers and Shell Device Browser