added new exercices

Algorithms/IdCard/IDCard.cs

@@ -0,0 +1,25 @@
+using Algorithms.IdCard;
+
+public class IDCard
+{
+    private Name name;
+    private PostalCode postalCode;
+    private TelephonNumber telephonNumber;
+
+    public IDCard(Name name,
+                  PostalCode postalCode,
+                  TelephonNumber telephonNumber)
+    {
+
+        this.name = name;
+        this.postalCode = postalCode;
+        this.telephonNumber = telephonNumber;
+    }
+
+    public bool IsValid()
+    {
+        return name.IsValid()
+        && telephonNumber.IsValid()
+        && postalCode.IsValid();
+    }
+}

Algorithms/IdCard/Name.cs

@@ -0,0 +1,33 @@
+namespace Algorithms.IdCard;
+
+using System;
+
+public class Name
+{
+    private string firstName;
+    private string lastName;
+
+    public Name(string firstName, string lastName)
+    {
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    private bool constainsNumber(string word){
+        string digits =  "0123456789";
+        foreach (char digit in digits){
+            if(word.IndexOf(digit) != -1){
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public bool IsValid(){
+        if(constainsNumber(this.firstName) || constainsNumber(this.lastName)){
+            return false;
+        }
+        return this.firstName.Length > 1 && this.lastName.Length > 1;
+    }
+
+}

Algorithms/IdCard/PostalCode.cs

@@ -0,0 +1,17 @@
+using System.Text.RegularExpressions;
+
+namespace Algorithms.IdCard;
+
+public class PostalCode
+{
+    private string postalCode;
+    public PostalCode(string postalCode)
+    {
+        this.postalCode = postalCode;
+    }
+
+    public bool IsValid(){
+        Regex rx = new Regex(@"^[A-Z]\d[A-Z] \d[A-Z]\d$");
+        return rx.Match(this.postalCode).Success;
+    }
+}

Algorithms/IdCard/TelephonNumber.cs

@@ -0,0 +1,21 @@
+using System.Text.RegularExpressions;
+
+namespace Algorithms.IdCard;
+
+public class TelephonNumber
+{
+    private string telephonNumber;
+
+    public TelephonNumber(string telephonNumber)
+    {
+        this.telephonNumber = telephonNumber;
+    }
+
+
+
+    public bool IsValid(){
+        Regex rx = new Regex(@"^(\+?1 )?\d{3} \d{3}-\d{4}$");
+        return rx.Match(this.telephonNumber).Success;
+    }
+
+}