Is Domain By Regular Expression : Validation « Regular Expressions « C# / C Sharp






Is Domain By Regular Expression

        
using System.Text.RegularExpressions;

public static class Validate
{

    public static bool IsDomain(string value)
    {
        if (string.IsNullOrEmpty(value))
            return false;

        Regex url = new Regex(@"^[\w\-_]+((\.[\w\-_]+)+([a-z]))?$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
        return url.IsMatch(value);
    }
}

   
    
    
    
    
    
    
    
  








Related examples in the same category

1.Is Alpha Numeric by using Regular expression
2.Is Alpha Numeric With Space by using Regular expression
3.Is Alpha Numeric With Space And Dot by using Regular expression
4.Replace invalid characters with empty strings by using Regular expression
5.Use Regular expression to check if a string is a number
6.Checks if the given string is a valid port number.
7.Is Valid Street Address
8.Is integer by regular expression
9.Is Numeric By Regular Expression