function matchDates(arr){
    let pattern = /(?<day>\d{2})([\/.-])(?<month>[A-Z][a-z]{2})\2(?<year>\d{4})/g;
    let validDates = [];      //arr[0].match(pattern);
    let text = arr[0];

    // let test = pattern.test(text);
    // console.log(test) //false

    while((validDates = pattern.exec(text)) !== null){
        let day = validDates.groups['day'];
        let month = validDates.groups['month'];
        let year = validDates.groups['year'];
        console.log(`Day: ${day}, Month: ${month}, Year: ${year}`);
    }

}