Function group

quest/src/core/parser.cpp:52–52

utilities

    // utilities
    string group(string in) { return "(?:" + in + ")"; } // groups sub-patterns to control eval order
    string capt (string in) { return "("   + in + ")"; } // captures sub-patterns for later extraction
    string opt  (string in) { return group(in) + "?"; }  // groups and makes optional a sub-pattern