Question

C#判断字符串儿是否为汉字(中文)

public bool IsChinese(string CString) { // Console.WriteLine("{0}", CString.Length); bool BoolValue = false; for (int i = 0; i < CString.Length; i++) { if (Convert.ToInt32(Convert.ToChar(CString.Substring(i, 1))) < 128) { BoolValue = false; } else { BoolValue = true; } } return BoolValue; }

Answer 1

public bool hasChinese(string CString){
return Regex.IsMatch(CString, @"^.*[\u4e00-\u9fa5].*$"); //存在中文
}

Answer 2

public bool IsChinese(string CString)
{
return Regex.IsMatch(CString,@"^[\u4e00-\u9fa5]+$");
}