Replace some pattern in std::wstring with another pattern

ReplaceWCSWithPattern.cpp

	std::wstring ReplaceWCSWithPattern(__in const std::wstring &message, __in const std::wstring &pattern, __in const std::wstring &replace)
	{
		std::wstring result = message;
		std::wstring::size_type pos = 0;
		std::wstring::size_type offset = 0;

		while ((pos = result.find(pattern, offset)) != std::wstring::npos)
		{
			result.replace(result.begin() + pos, result.begin() + pos + pattern.size(), replace);
			offset = pos + replace.size();
		}

		return result;
	}