replaceall.cpp

来自「很经典的书籍」· C++ 代码 · 共 17 行

//: C03:ReplaceAll.cpp {O}
#include <cstddef>
#include <string>
using namespace std;

string& replaceAll(string& context, const string& from,
  const string& to) {
  size_t lookHere = 0;
  size_t foundHere;
  while ((foundHere = context.find(from, lookHere))
    != string::npos) {
    context.replace(foundHere, from.size(), to);
     lookHere = foundHere + to.size();
  }
  return context;
} ///:~