#To perform multi-line matching, use the M modifier provided in JavaScript regular expressions.
You can try running the following code to perform multi-line matching -
<html>
<head>
<title>JavaScript Regular Expression</title>
</head>
<body>
<script>
var myStr = "Welcoming!";
var reg = /^ing/m;
var match = myStr.match(reg);
document.write(match);
</script>
</body>
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