How to say != 0-9 in c ++
c++, java, syntax
Solution
C++:
#include <cctype>
using namespace std;
...
if (!isdigit(str[i]))
// or
if (str[i] < '0' || str[i] > '9')
Java:
if (!Character.isDigit(str.charAt(i)))
Problem
Possible Duplicate: how to check if given c++ string or char* contains only digits? Im trying to say that ``` if(string.at(i) != 0-9){ b= true; } ``` Is there a way to say this without typing value != 0 && value != 1 ...etc? Also if this exists and is possible, and its different in java I also would find that helpful. Thanks you guys are always helpful.