学步园

//将字符串过滤到只剩下纯数字
std::wstring CDlgContactDetail::FilterToPureNumbersString(std::wstring strOldString)
{
	std::wstring  wstrResult;

	WCHAR   wChar;
	for (int i=0;i<strOldString.length();++i)
	{
		wChar=strOldString.at(i);
		if (wChar<_T('0') || wChar>_T('9'))
		{
			continue;
		}
		else
		{
			wstrResult+=wChar;
		}
	}

	return  wstrResult;
}