regex for as-path

From: John Matus (john_matus@hotmail.com)
Date: Wed May 11 2005 - 14:11:31 GMT-3

do the following expression accomplish the same?

ip as-path access-list 5 permit ^54_[0-9]*_[0-9]*_[0-9]*$

AND

ip as-path access-list 5 permit ^54_[0-9]+$
ip as-path access-list 5 permit ^54_[0-9]+_[0-9]+$
ip as-path access-list 5 permit ^54_[0-9]+_[0-9]+_[0-9]+$

This archive was generated by hypermail 2.1.4 : Fri Jun 03 2005 - 10:11:57 GMT-3