|regular expression identities with complement firstname.lastname@example.org (2004-09-03)|
|From:||email@example.com (Ralph Boland)|
|Date:||3 Sep 2004 12:35:38 -0400|
|Posted-Date:||03 Sep 2004 12:35:38 EDT|
I am implemnting a regular expression to finite state machine converter and
will be implementing the complement operator "~".
In order to test my code I would like to know of regular expression identities
that use the complement operator. The only one I am aware of is:
~~R = R
Clearly though to test my code I need something more useful than the above
Can anyone point out any such identities to me or to references to such
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