Method regexFind

Extension/Modules/lua_regex.cpp:109–150

}

int Regex::regexFind(lua_State *L)
{
    QRegularExpression *regex = checkRegex(L, true);
    int params = lua_gettop(L); // regex(kiko.regex) target(string) initpos(number)
    const char *errMsg = nullptr;
    int initpos = 0;
    if(params < 2 || lua_type(L, 2) != LUA_TSTRING)
    {
        errMsg = "expect string as match target";
    }
    else if(params == 3 && lua_type(L, 3) == LUA_TNUMBER)
    {
        initpos = lua_tonumber(L, 3);
        if(initpos > 0) initpos--; // 1-based
    }
    else if(params != 2)
    {
        errMsg = "expect number as initial matching position";
    }
    if(errMsg)
    {
        luaL_error(L, "expect: regex(kiko.regex) target(string) initpos(number)");
    }
    QRegularExpressionMatch match = regex->match(QString(lua_tostring(L, 2)), initpos);
    if(match.hasMatch())
    {
        lua_pushinteger(L, match.capturedStart() + 1); // 1-based
        lua_pushinteger(L, match.capturedEnd()); // 0-based, after the ending position of the substring captured
        QStringList groups = match.capturedTexts();
        int retSize = 2;
        if(groups.size() > 1)
        {
            for(int i = 1; i < groups.size(); ++i)
            {
                lua_pushstring(L, groups.at(i).toStdString().c_str());
                ++retSize;
            }
        }
        return retSize;
    }
    return 0;
}

QRegularExpressionMatchIterator *Regex::checkRegexMatch(lua_State *L, int idx)
{