Unfortunately, nothing has changed in 2 years! The bug is still unfixed. :(
Customer support service by UserEcho
It is for all foreign characters. E.g. a search for "æøå" won't match a sentence with "Æøå" (uppercase Æ).
TextEdit.app has it correct:
Using ST3 3059.
http://www.sublimetext.com/forum/viewtopic.php?f=3...
Hopefully someone has a workaround.
Unfortunately, nothing has changed in 2 years! The bug is still unfixed. :(