Fixed broken speed/level group regex

#4

Author: MorpheusXAUT

DelHel/constants.h

@@ -23,7 +23,7 @@ const COLORREF TAG_COLOR_RED = RGB(200, 0, 0);
 const COLORREF TAG_COLOR_ORANGE = RGB(255, 165, 0);
 const COLORREF TAG_COLOR_GREEN = RGB(0, 200, 0);
 
-const std::regex REGEX_SPEED_LEVEL_GROUP = std::regex("([\\w\\d]*)\\/)((?:N|K)\\d{4})((?:F\\d{3})|(?:S\\d{4})|(?:A\\d{3})|(?:M\\d{4})|(?:VFR))", std::regex_constants::ECMAScript);
+const std::regex REGEX_SPEED_LEVEL_GROUP = std::regex("([\\w\\d]*)\\/((?:N|K)\\d{4})((?:F\\d{3})|(?:S\\d{4})|(?:A\\d{3})|(?:M\\d{4})|(?:VFR))", std::regex_constants::ECMAScript);
 
 const int AUTO_ASSIGN_MIN_FL = 5000;
 const int VFR_TRAFFIC_PATTERN_ALTITUDE = 1000;