Vue js string replace only numbers with space

});
    </script>
    <style scoped>
        #app {
            margin: 20px;
            padding: 10px;
            border: 1px solid black;
            font-family: Arial, sans-serif;
            font-size: 16px;
        }

h3 {
            font-size: 24px;
            margin-bottom: 10px;
        }

input[type="text"] {
            padding: 5px;
            border: 1px solid gray;
            border-radius: 5px;
            margin-right: 10px;
            font-size: 16px;
        }

button {
            padding: 5px 10px;
            border-radius: 5px;
            border: none;
            background-color: #4CAF50;
            color: white;
            cursor: pointer;
            font-size: 16px;
        }

button:hover {
            background-color: #357a38;
        }

small {
            display: block;
            margin-top: 10px;
        }
    </style>

</body>

</html>