Visual C# General
using
System;using
System.Text.RegularExpressions;
namespace
ConsoleApplication1{
class Program{
static Regex wordRegex = new Regex(@"^\w+$"); static Regex numberRegex = new Regex(@"^\d+$");
static void Main(string[] args)
{
string stringToTest = Console.ReadLine();
if (numberRegex.IsMatch(stringToTest))
Console.WriteLine("It's a number.");
else if (wordRegex.IsMatch(stringToTest))
Console.WriteLine("It's a word/letter.");
else
Console.WriteLine("It's something, I did not expect.");Console.ReadLine();
}
}
}
--
Regards,
Daniel Kuppitz
Well, maybe something like this:
using
System;
namespace
ConsoleApplication1{
class Program{
static void Main(string[] args){
int number; string stringToTest = Console.ReadLine();if (int.TryParse(stringToTest, out number)) Console.WriteLine("It's a number."); else Console.WriteLine("It's a word/letter.");
Console.ReadLine();
}
}
}
or that:
using
System;
namespace
ConsoleApplication1{
class Program{
static void Main(string[] args){
bool isNumber = true; string stringToTest = Console.ReadLine();foreach (char c in stringToTest)
isNumber &= (c >= '0' && c <= '9');
if (isNumber)
Console.WriteLine("It's a number.");
else
Console.WriteLine("It's a word/letter.");Console.ReadLine();
}
}
}
Both variants will tell you "It's a word/letter." when you enter more than one word or nothing.
--
Regards,
Daniel Kuppitz