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From "Michael Borodiansky" <mboro...@home.com>
Subject Re: cvs commit: jakarta-oro/src/java/org/apache/oro/text/regex OpCode.java Perl5Compiler.java Perl5Debug.java Perl5Matcher.java
Date Thu, 29 Mar 2001 16:36:26 GMT
Dear Mr. Stevens,

I am trying to use oromatcher software and came across a following problem:

For the software I am trying to develop, I need to compare to regular
expressions (Perl5 ones)  in the following way:

Let R1 be the regular expression 1
Let R2 be the regular expression 2

R1 < R2 iff all inputs that R1 can match R2 can, but not vice versa.

Could you please advise me on possible solutions to this problem, as I'm
sure this problem is not new.


Many thanks in advance,
    Michael Borodiansky



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