It is not possible to enter characters requiring "Alt Gr" in the display filter box such as "[" on a Swedish keyboard.
This issue was migrated from bug 12270 in our old bug tracker.
Original bug information:
Reporter: Anders Broman
Status: RESOLVED FIXED
Product: Wireshark
Component: Qt UI
OS: All
Platform: All
Version: 2.0.2
See also: Issue #12533 (closed)