Beispiele

/^(https?:\/\/)([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}(:\d+)?(\/[^\s]*)?$/

/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d+)?Z$/

/^[\w.-]+@[a-zA-Z\d.-]+\.[a-zA-Z]{2,}$/