C Determines whether a string is a number (instance)

  • 2021-11-24 02:40:53
  • OfStack

Not much to say, please look at the code


/// <summary>
///  Determine whether the string is a number 
/// </summary>
public static bool IsNumber(string s)
{
 if (string.IsNullOrWhiteSpace(s)) return false;
 const string pattern = "^[0-9]*$";
 Regex rx = new Regex(pattern);
 return rx.IsMatch(s);
}

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