BGP Regular Expression Question

From: Mike Haddad (mike.haddad@hotmail.com)
Date: Tue Mar 11 2008 - 03:58:00 ARST

Is there any difference between the below:
^1723(_[0-9]+)?$ As 1723 and directly connected customers^1723_[0-9]+$ Does it
mean the same?

Thanks in advance,

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