Search feature a little bit broken

If you type certain characters into Ved's search input, the program either Not Responds or crashes. See image here for screenshots of said inputs: https://dl.dropboxusercontent.com/s/nked1xoueea14tm/Ved%20crashes%20because%20of%20its%20search%20feature.png
(By "certain characters that don't show up in Ved's font" I mean stuff like § and █.)