Purify text and display it as a number

TextToFloatWithReplace.gs

function parseFloat1(a) {
    var ss = SpreadsheetApp.getActiveSpreadsheet();
    var sheet = ss.getActiveSheet();
    var range = sheet.getRange(a).getValues();

    var new_arr = [];
    for (var i = 0; i < range.length; i++) {
        var item = range[i]
        var converted = parseFloat(item.toString().replace(/[^-?0-9.]/g, ""));
        if (isNaN(converted))
            new_arr.push(['']);
        else
            new_arr.push([parseFloat(item.toString().replace(/[^-?0-9.]/g, ""))]);
    }
    //var rangeTO = sheet.getRange(b).setValues(new_arr); 
    return new_arr
}