如何使用C ++从字符串中删除前导零?
问题描述：
我想从字符串中删除前导零，例如"0000000057" .
I want to remove leading zeroes from string like "0000000057".
我确实喜欢这样，但没有得到任何结果:
I did like this but didn't get any result:
string AccProcPeriNum = strCustData.substr(pos, 13);
string p48Z03 = AccProcPeriNum.substr(3, 10);
我只希望输出 57 .
在C ++中有任何想法吗?
Any idea in C++?
答
#include <string>
std::string str = "0000000057";
str.erase(0, str.find_first_not_of('0'));
assert(str == "57");