Match a phone number : Regex Phone number « Regular Expression « C# / CSharp Tutorial

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C# / CSharp Tutorial » Regular Expression » Regex Phone number 
17.8.2.Match a phone number
using System;
using System.Text.RegularExpressions;

  class Class1
  {
    [STAThread]
    static void Main(string[] args)
    {
        Regex phoneExp = new Regex@"^\(\d{3}\)\s\d{3}-\d{4}$" );
          string input;

            Console.Write"Enter a phone number: " );
            input = Console.ReadLine();
            
            whilephoneExp.Matchinput ).Success == false )
            {
                Console.WriteLine"Invalid input. Try again." );
                Console.Write"Enter a phone number: " );
                input = Console.ReadLine();
            }

            Console.WriteLine"Validated!" );
    }
  }
17.8.Regex Phone number
17.8.1.Regular Expression: phone number
17.8.2.Match a phone number
17.8.3.Match phone numbers
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