Mega Code Archive
RegExp $& (2)
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The RegExp.$& property represents the last matched characters.
This is the same as using the lastMatch property.
<html>
<body>
<script language="JavaScript">
<!--
var pat = new RegExp("test", "gi");
str = "This is a test 123435";
myArray = pat.exec(str);
document.write("Pattern found: " + myArray[0] + ". the last match expression is: " + RegExp.lastMatch);
-->
</script>
</body>
</html>
]]>