You can test it yourself in:
"Settings -> Compiler -> Global compiler settings -> [your compiler] -> Other settings -> Advanced options -> output parsing"
The first wanrning line gives me (rev 9156 from my repo):
Regular expression analyzed as follows:
Type: Warnung message
Filename: /home/yczo/programas_C/SeriesDeNum_Partidos_1/main.cpp
Line number: 12
Message: warning: deprecated conversion from string constant to ‘char* [-Wwrite-strings]
I'm not absolutely sure, but if I remember correctly, we did not change the regexes since 12.11 release.
Did you ever play with the regexes ?
You can reset them to the defaults, but changes you have made will be lost then, of course.