finished AddCustomer Form

Gui/AddContact.qml

@@ -74,6 +74,11 @@ GridLayout
         property string name: "email"
         id: emailcontact
         Layout.fillWidth: true
+        placeholderText: qsTr("beispiel@domain.de")
+        validator: RegularExpressionValidator
+        {
+            regularExpression: /([\+!#$%&‘\*\–\/\=?\^_`\.{|}\~0-9A-Za-z]{1,185})@([0-9A-Za-z\.]{1,64})\.([a-zA-z]{2,5})/
+        }
     }
 
     Label
@@ -86,6 +91,10 @@ GridLayout
         property string name: "telephonecontact"
         id: telephonecontact
         Layout.fillWidth: true
+        validator: RegularExpressionValidator
+        {
+            regularExpression: /([+0-9]{1})([0-9]{1,17})/
+        }
     }
 
     Label
@@ -98,6 +107,10 @@ GridLayout
         property string name: "cellphone"
         id: cellphone
         Layout.fillWidth: true
+        validator: RegularExpressionValidator
+        {
+            regularExpression: /([+0-9]{1})([0-9]{1,17})/
+        }
     }
     Label
     {
@@ -109,6 +122,11 @@ GridLayout
         property string name: "birthday"
         id: birthday
         Layout.fillWidth: true
+        placeholderText: qsTr("TT.MM.JJJJ")
+        validator: RegularExpressionValidator
+        {
+            regularExpression: /((^|)([0-2]{1}[0-9]{1}|3[0-1]))\.((^|)([0-1]{1,2}|12))\.([0-9]{4})/
+        }
     }
 
     Label