ex4_18.cpp

Visual C++ 2005的源代码

// Ex4_18.cpp : main project file.
// Searching for punctuation

#include "stdafx.h"

using namespace System;

int main(array<System::String ^> ^args)
{
  array<wchar_t>^ punctuation = {L'"', L'\'', L'.', L',', L':', L';', L'!', L'?'};
  String^ sentence = L"\"It's chilly in here\", the boy's mother said coldly.";

  // Create array of space characters same length as sentence
  array<wchar_t>^ indicators = gcnew array<wchar_t>(sentence->Length){L' '};

  int index = 0;                       // Index of character found
  int count = 0;                       // Count of punctuation characters
  while((index = sentence->IndexOfAny(punctuation, index)) >= 0)
  {
    indicators[index] = L'^';          // Set marker
    ++index;                           // Increment to next character
    ++count;                           // Increase the count
  }
  Console::WriteLine(L"There are {0} punctuation characters in the string:",
                                                                          count);
  Console::WriteLine(L"\n{0}\n{1}", sentence, gcnew String(indicators));
  return 0;
}