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Specifies the nine most-recently memorized portions found during pattern matching. Read-only.
RegExp.$n
n
A number between 1 and 9.
The value of the $1...$9 property is modified whenever a successful parenthesized match is made. Any number of parenthesized substrings may be specified in a regular expression pattern, but only the nine most recent can be stored.
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Legal Notice.