Validate first name and last name : Regular Expression : Development Class C# Source Code

Validate first name and last name

    

using System;
using System.Text.RegularExpressions;

class RegexSubstitution
{
   public static void Main()
   {

      string text = "Name";
      if ( !Regex.Match(text,"^[A-Z][a-zA-Z]*$" ).Success )
      {
         Console.WriteLine( "Invalid last name");
      }

   }
}


           
       
    
   
  
   

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