??????? /// 判斷是否十六進制格式字符串
????
??????? public bool IsHexadecimal(string str)
??????? {
??????????? const string PATTERN = @"[A-Fa-f0-9]+$";
??????????? return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);
??????? }

???
??????? /// 判斷是否八進制格式字符串
????
??????? public bool IsOctal(string str)
??????? {
??????????? const string PATTERN = @"[0-7]+$";
??????????? return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);
??????? }

??????
??????? /// 判斷是否二進制格式字符串
??????
??????? public bool IsBinary(string str)
??????? {
??????????? const string PATTERN = @"[0-1]+$";
??????????? return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);
??????? }

???
??????? /// 判斷是否十進制格式字符串
?????
??????? public bool IsDecimal(string str)
??????? {
??????????? const string PATTERN = @"[0-9]+$";
??????????? return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);
??????? }

轉載于:https://www.cnblogs.com/alamps/p/7275524.html

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