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////// 判断是否十六进制格式字符串 /// /// ///public bool IsHexadecimal(string str) { const string PATTERN = @"[A-Fa-f0-9]+$"; return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN); } /// /// 判断是否八进制格式字符串 /// /// ///public bool IsOctal(string str) { const string PATTERN = @"[0-7]+$"; return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN); } /// /// 判断是否二进制格式字符串 /// /// ///public bool IsBinary(string str) { const string PATTERN = @"[0-1]+$"; return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN); } /// /// 判断是否十进制格式字符串 /// /// ///public bool IsDecimal(string str) { const string PATTERN = @"[0-9]+$"; return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN); }
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