Re: Regular Expressions

Mitchell Perilstein <mnp@compass-da.com>
Mon, 23 Oct 1995 13:22:42 GMT

          From comp.compilers

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Newsgroups: comp.compilers
From: Mitchell Perilstein <mnp@compass-da.com>
In-Reply-To: 95-10-087
Keywords: lex, theory
Organization: Compilers Central
Date: Mon, 23 Oct 1995 13:22:42 GMT

Someone asked:


> I have some problems about regular expressions:
> 1) Is there a canonical form for regular expressions(over a finite alphabet)?


There are canonical forms for finite state automata: binary decision
diagrams and others. There are manipulation on these structures which
may map sensibly back to the regular expression. I can find details if
someone needs them.


---
  Mitchell N. Perilstein [\]
  COMPASS Design Automation, Columbia MD USA
  mnp@compass-da.com
  Tel: 410-992-5700 x1225, Fax: 410-992-3536


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