C++的STL一行去除前导/后导空格

bool isNumber(string s, int& index){

        s.erase(0,s.find_first_not_of(" "));

        s.erase(s.find_last_not_of(" ") +1);

}

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转载自blog.csdn.net/weixin_64043217/article/details/132598598