From email:

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I have created two tickets in a project and searched on them. The titles of both had upper three letter upper case words in them (SCO and VRU). When I searched on VRU, the ticket was found. When I searched on VR*, no ticket was found. When I searched on VR? A null pointer error was reported in the browser. I verified this behavior on both VRU and SCO, as well as with MS !E and Modzilla.
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Verified by Scott on 2.0.2.