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cpp:cctype:isxdigit

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cpp:cctype:isxdigit [2012/10/12 15:03] (current)
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 +{{keywords>wiki library source code example reference}}
 +====== isxdigit =====
 +<code cpp>
 +    int isxdigit(int chr);
 +</code>
 +checks whether a character is hexadecimal
 +
 +===== cpp Sourcecode Example =====
 +<code cpp>
 +#include <iostream> /* including standard library */
 +#include <string>
 +#include <cctype>
 +
 +using namespace std;
 +int main ( void )
 +{
 +  int i;
 +  string str="Test -!&%1";
 +  for (i=0; i <= 11;i++)
 +    {
 +     if ( isxdigit(str[i]) != 0 )
 +      {
 +       cout << "Character " << i << " is a xdigit" << endl;
 +      }
 +    }
 +  return 0;
 +}
 +</code>
 +
 +==== output ====
 +    Character 1 is a xdigit
 +    Character 9 is a xdigit
  
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cpp/cctype/isxdigit.txt · Last modified: 2012/10/12 15:03 (external edit)

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