The rightContext property represents the substring following the most recent pattern match.
<html> <body> <script language="JavaScript"> <!-- pat = /is*/gi;
var str = "This is a test";
myArray = pat.exec(str);
document.write("In the string: " + "<b>" + "Eat Drink and be Merry" + "</b><br><br>"); document.write("The RegExp.rightContext is: " + RegExp.rightContext);