i 예제
<button onclick="test()">결과보기</button>
<p id="hz">홈짱닷컴 Homzzang.com</p>
<script>
function test() {
var str = document.getElementById("hz").innerHTML;
var patt = /homzzang/i;
var result = str.match(patt);
document.getElementById("hz").innerHTML = result;
}
</script>
결과 보기