Function matchStringOrNull

trunk/win/Source/LUpdateString/cpp.cpp:540–547

}

static bool matchStringOrNull(QString *s)
{
    bool matches = matchString(s);
    qlonglong num = 0;
    if (!matches)
        matches = matchInteger(&num);
    return matches && num == 0;
}

/*
 * match any expression that can return a number, which can be