set html "<tracks>
    <radioname>nom de la radio</radioname>
        <rank>0</rank>
    <isradionomy>1</isradionomy>
        <radurl>URL</radurl>
        <track>
        <uniqueid>Chiffre</uniqueid>
        <title>Strike It Up (1990)</title>
            <artists>Black Box</artists>
            <starttime>2016-03-24 14:09:56.763</starttime>
            <playduration>311492</playduration>
            <current>1</current>
</track>"
 
regexp -all -- {<title>(.+)?</title>} $html null title
regexp -all -- {<radioname>(.+)?</radioname>} $html null radioname
regexp -all -- {<artists>(.+)?</artists>} $html null artist
puts "$title => $radioname : $artist"