public bool IsAllChineseCh(string input)
{
Regex regex = new Regex("^[\u4e00-\u9fa5]+$");
return regex.IsMatch(input);
}
public bool IsAllChineseCh(string input)
{
Regex regex = new Regex("^[\u4e00-\u9fa5]+$");
return regex.IsMatch(input);
}