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// isdigit example (C++)
#include <iostream> // std::cout
#include <string> // std::string
#include <locale> // std::locale, std::isdigit
#include <sstream> // std::stringstream
int main ()
{
std::locale loc;
std::string str="1776ad";
if (isdigit(str[0],loc))
{
int year;
std::stringstream(str) >> year;
std::cout << "The year that followed " << year << " was " << (year+1) << ".\n";
}
return 0;
}
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