function extractEmails(input) {
    let text = input[0];
    const pattern = /(?:^| )([a-z][a-z0-9\-\._]+@[a-z0-9\-]+(\.[a-z0-9\-]+){1,})/g;
    //let match = pattern.exec(text);
    let matches = text.match(pattern);
    if(matches!=null){
        for(let m of matches){
            console.log(m.trim());
        }
    }
}