Philipp Tuchardt / Input must contain number

function validateStreet(e) {
    const streetNotice = document.getElementById('streetnotice');
    let currentvalue = e.value;
    let outputvalue = currentvalue.search(/\d/g);

    if (outputvalue === -1) {
        streetNotice.style.display = "block";
    } else {
        streetNotice.style.display = "none";
    }
}