Updated regex

Author: chgeuer

managed-app/src/createUiDefinition.json

@@ -51,7 +51,7 @@
         "toolTip": "Use only allowed characters",
         "constraints": {
           "required": true,
-          "regex": "^([a-zA-Z][a-zA-Z0-9\\-]*[a-zA-Z0-9]){3, 24}$",
+          "regex": "^[a-zA-Z][a-zA-Z0-9\\-]{2,22}[a-zA-Z0-9]$",
           "validationMessage": "Only alphanumeric characters are allowed, and the value must be 3-24 characters long."
         },
         "visible": true