Index: src/libchcore/ErrorCodes.h
===================================================================
diff -u -N -rc1f7af79a52133c6d4b14944c3370288be7f5af5 -r975de2f6cd1f6e4c912daa021c6d2674dd5646db
--- src/libchcore/ErrorCodes.h	(.../ErrorCodes.h)	(revision c1f7af79a52133c6d4b14944c3370288be7f5af5)
+++ src/libchcore/ErrorCodes.h	(.../ErrorCodes.h)	(revision 975de2f6cd1f6e4c912daa021c6d2674dd5646db)
@@ -54,6 +54,7 @@
 		eErr_MutexAlreadyLocked = 1011,
 
 		// string errors (1500+)
+		eErr_InvalidRegex = 1500,
 
 		// Task definition errors (2000+)
 		eErr_UnsupportedVersion = 2000,
Index: src/libchcore/TStringPattern.cpp
===================================================================
diff -u -N -r23ff4021e13382a5e6da1f88e5fe173f2cffc743 -r975de2f6cd1f6e4c912daa021c6d2674dd5646db
--- src/libchcore/TStringPattern.cpp	(.../TStringPattern.cpp)	(revision 23ff4021e13382a5e6da1f88e5fe173f2cffc743)
+++ src/libchcore/TStringPattern.cpp	(.../TStringPattern.cpp)	(revision 975de2f6cd1f6e4c912daa021c6d2674dd5646db)
@@ -174,7 +174,7 @@
 
 			strErr += ca2w;
 
-			throw TCoreException(eErr_InvalidData, strErr.c_str(), LOCATION);
+			throw TCoreException(eErr_InvalidRegex, strErr.c_str(), LOCATION);
 		}
 	}