diff --git a/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.Designer.cs b/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.Designer.cs
index 026e363..0c0e452 100644
--- a/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.Designer.cs
+++ b/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.Designer.cs
@@ -29,7 +29,7 @@
         private void InitializeComponent()
         {
             selectComponent = new UserComponentsOption19.SelectComponent();
-            writeComponent1 = new UserComponentsOption19.WriteComponent();
+            writeComponent = new UserComponentsOption19.WriteComponent();
             SuspendLayout();
             // 
             // selectComponent
@@ -40,20 +40,20 @@
             selectComponent.Size = new Size(189, 36);
             selectComponent.TabIndex = 0;
             // 
-            // writeComponent1
+            // writeComponent
             // 
-            writeComponent1.Location = new Point(12, 65);
-            writeComponent1.Name = "writeComponent1";
-            writeComponent1.Size = new Size(400, 44);
-            writeComponent1.TabIndex = 1;
-            //writeComponent1.WriteText = "";
+            writeComponent.Location = new Point(12, 65);
+            writeComponent.Name = "writeComponent";
+            writeComponent.Size = new Size(324, 44);
+            writeComponent.TabIndex = 1;
+            writeComponent.Template = null;
             // 
             // FormTest
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(600, 393);
-            Controls.Add(writeComponent1);
+            Controls.Add(writeComponent);
             Controls.Add(selectComponent);
             Name = "FormTest";
             Text = "нукась протестируем...";
@@ -63,6 +63,6 @@
         #endregion
 
         private UserComponentsOption19.SelectComponent selectComponent;
-        private UserComponentsOption19.WriteComponent writeComponent1;
+        private UserComponentsOption19.WriteComponent writeComponent;
     }
 }
diff --git a/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.cs b/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.cs
index 5a6a4ad..9c9e80d 100644
--- a/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.cs
+++ b/UserComponentsOption19/TestAppForCheckComponentsWorking/Form1.cs
@@ -1,3 +1,4 @@
+using System.Text.RegularExpressions;
 using UserComponentsOption19;
 
 namespace TestAppForCheckComponentsWorking
@@ -13,6 +14,7 @@ namespace TestAppForCheckComponentsWorking
         {
             InitializeComponent();
             FillList(19);
+            SetTemplate();
         }
 
         private void SelectComponent_SelectComponentChanged(object? sender, EventArgs e)
@@ -28,5 +30,13 @@ namespace TestAppForCheckComponentsWorking
             }
             selectComponent.FillList(testList);
         }
+
+        Regex regex = new Regex(@"^[^@\s]+@[^@\s]+\.(com|net|org|gov|ru)$");
+
+        public void SetTemplate()
+        {
+            writeComponent.SetTextTooltip("email@email.ru");
+        }
+
     }
 }
diff --git a/UserComponentsOption19/UserComponentsOption19/InvalidInputException.cs b/UserComponentsOption19/UserComponentsOption19/InvalidInputException.cs
new file mode 100644
index 0000000..bfcb189
--- /dev/null
+++ b/UserComponentsOption19/UserComponentsOption19/InvalidInputException.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UserComponentsOption19
+{
+    internal class InvalidInputException : Exception
+    {
+        public InvalidInputException(string message) : base (message) { }
+    }
+}
diff --git a/UserComponentsOption19/UserComponentsOption19/NoTemplateException.cs b/UserComponentsOption19/UserComponentsOption19/NoTemplateException.cs
new file mode 100644
index 0000000..520ddf5
--- /dev/null
+++ b/UserComponentsOption19/UserComponentsOption19/NoTemplateException.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UserComponentsOption19
+{
+    internal class NoTemplateException : Exception
+    {
+        public NoTemplateException(string message) : base (message) { }
+    }
+}
diff --git a/UserComponentsOption19/UserComponentsOption19/WriteComponent.Designer.cs b/UserComponentsOption19/UserComponentsOption19/WriteComponent.Designer.cs
index 6b5c4ee..fee17ad 100644
--- a/UserComponentsOption19/UserComponentsOption19/WriteComponent.Designer.cs
+++ b/UserComponentsOption19/UserComponentsOption19/WriteComponent.Designer.cs
@@ -37,6 +37,7 @@
             textBox.Name = "textBox";
             textBox.Size = new Size(310, 27);
             textBox.TabIndex = 0;
+            textBox.TextChanged += textBox_TextChanged;
             // 
             // WriteComponent
             // 
diff --git a/UserComponentsOption19/UserComponentsOption19/WriteComponent.cs b/UserComponentsOption19/UserComponentsOption19/WriteComponent.cs
index 2815ca8..f6f499b 100644
--- a/UserComponentsOption19/UserComponentsOption19/WriteComponent.cs
+++ b/UserComponentsOption19/UserComponentsOption19/WriteComponent.cs
@@ -4,17 +4,20 @@ namespace UserComponentsOption19
 {
     public partial class WriteComponent : UserControl
     {
-        private Regex regex = new Regex(@"^[^@\s]+@[^@\s]+\.(com|net|org|gov|ru)$^[^@\s]+@[^@\s]+\.(com|net|org|gov)$");
+        //= new Regex(@"^[^@\s]+@[^@\s]+\.(com|net|org|gov|ru)$^[^@\s]+@[^@\s]+\.(com|net|org|gov)$")
+
+        private Regex? regex;
 
         private ToolTip toolTipTemplate = new ToolTip();
 
+        public event EventHandler? ChangeText;
 
         public WriteComponent()
         {
             InitializeComponent();
         }
 
-        public Regex Template
+        public Regex? Template
         {
             get => regex;
 
@@ -24,29 +27,43 @@ namespace UserComponentsOption19
             }
         }
 
-        public void ShowToolTip()
+        public void SetTextTooltip(string toolTip)
         {
-            toolTipTemplate.SetToolTip(textBox, "Пример: mail@mail.ru");
+            toolTipTemplate.SetToolTip(textBox, toolTip);
         }
-        
+
+        private void textBox_TextChanged(object sender, EventArgs e)
+        {
+            ChangeText?.Invoke(this, e);  
+        }
+
         public string WriteText
         {
             get
             {
-                if(Template == null)
+                if (Template == null)
                 {
-                    throw new Exception();
+                    throw new NoTemplateException("Не установлен шаблон");
                 }
                 return textBox.Text;
             }
             set
             {
-                MatchCollection match = regex.Matches(textBox.Text);
-                if(match.Count > 0)
+                if (Template != null)
                 {
-                    textBox.Text = match[0].Value;
+                    if (Template.IsMatch(value))
+                    {
+                        textBox.Text = value;
+                    }
+                    else
+                    {
+                        throw new InvalidInputException("Введенное значение не соответствует шаблону");
+                    }
+                }
+                else
+                {
+                    textBox.Text = string.Empty;
                 }
-                throw new Exception();
             }
         }
     }