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<p>Ψάξε για το κείμενο "ΚΕΠΛΗΝΕΤ", και δείξε τη θέση που βρίσκεται:</p>
<button onclick="Function1()">ΔΟΚΙΜΑΣΤΕ</button>
<p id="test1"></p>
<p>Αντικατέστησε το κείμενο "ΞΑΝΘΗ" με το κείμενο "ΘΕΣΣΑΛΟΝΙΚΗ":</p>
<button onclick="Function2()">ΔΟΚΙΜΑΣΤΕ</button>
<p id="test2">ΔΕΙΤΕ ΤΗΝ ΞΑΝΘΗ!</p>
              function Function1() {
    var n = str.search(/ΚΕΠΛΗΝΕΤ/);
    document.getElementById("test1").innerHTML = "ΘΕΣΗ: " + n;

function Function2() {
    var str = document.getElementById("test2").innerHTML; 
    var txt = str.replace(/ΞΑΝΘΗ/,"ΘΕΣΣΑΛΟΝΙΚΗ");
    document.getElementById("test2").innerHTML = txt;
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