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check if character in string is digit c++

By Anxious AlligatorAnxious Alligator on Sep 14, 2020 
#include<stdio.h>
#include<ctype.h>

int main() {
   char val1 = 's';
   char val2 = '8';

   if(isdigit(val1))
   printf("The character is a digit\n");
   else
   printf("The character is not a digit\n");

   if(isdigit(val2))
   printf("The character is a digit\n");
   else
   printf("The character is not a digit");

   return 0;
}

Source: www.tutorialspoint.com

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c++ check if char is number

By Fantastic FoxFantastic Fox on Sep 05, 2020 
char c = '1';
bool result = isdigit(c);
cout << result << endl; //1

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