template<class Type>
int nStringBase<Type>::replace(std::list<std::pair<nStringBase<Type>,nStringBase<Type> > > &strings)
{
    int  count     = 0;
    int  curPos    = 0;
    bool found     = false;
    do
    {
        found = false;
        std::list<std::pair<nStringBase<Type>,nStringBase<Type> > >::iterator iter;
        for(iter = strings.begin(); iter!=strings.end();++iter)
        {
            int temp;
            if((temp = this->indexOf(iter->first,curPos)) != -1)
            {
                curPos = temp;
                *this = this->subString(0,curPos) + iter->second + this->subString(curPos + iter->first.getLength());
                curPos += iter->second.getLength();
                ++count;
                found = true;
                break;
            }
        }
    }
    while(found);
    return count;
}