finished AddCustomer Form

Gui/CustomerView.qml

@@ -70,6 +70,11 @@ GridLayout
         popup.y: postcode.y + 5 - (postcode.height * 2)
         currentIndex: -1
         onCurrentIndexChanged: city.currentIndex = postcode.currentIndex
+        validator: RegularExpressionValidator
+        {
+            regularExpression: /([0-9]{1,5})/
+        }
+
     }
 
     Label
@@ -103,6 +108,11 @@ GridLayout
         property string name: "telephone"
         id: telephone
         Layout.fillWidth: true
+        validator: RegularExpressionValidator
+        {
+            regularExpression: /([+0-9]{1})([0-9]{1,17})/
+        }
+
     }
 
     Label
@@ -115,6 +125,10 @@ GridLayout
         property string name: "cellphone"
         id: cellphone
         Layout.fillWidth: true
+        validator: RegularExpressionValidator
+        {
+            regularExpression: /([+0-9]{1})([0-9]{1,17})/
+        }
     }
 
     Label
@@ -127,6 +141,11 @@ GridLayout
         property string name: "email"
         id: email
         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
@@ -139,6 +158,7 @@ GridLayout
         property string name: "homepage"
         id: homepage
         Layout.fillWidth: true
+        placeholderText: "www.oschkarischtverhaftetwegensexy.jinx"
     }
 
     Label