syntax:

RegExp.rightContext

description:

This property has the text after, that is, to the right of, the text matched by the last pattern search. RegExp.leftContext is equivalent to RegExp["$'"], for compatibility with PERL.

Read-only property.

see:

RegExp.lastMatch, RegExp.leftContext

example:

var str = "one two three two one";

var pat = /(t.o)/

pat.exec(str);

   // RegExp.leftContext == " three two one"