Regular Expressions and Canonical Equivalence
verdy_p at wanadoo.fr
Sun May 17 09:45:18 CDT 2015
2015-05-16 22:33 GMT+02:00 Richard Wordingham <
richard.wordingham at ntlworld.com>:
> I'm not at all sure what your example string is. I ran my program to
> watch its progression with input \u0323\u0323\u0302\u0302, which does
> not match the pattern, and attach the outputs for your scorn. I have
> added comments started by #.
Sorry for not commenting it, this is the internal tricks and outputs of
your program, and your added comments does not allow me to interpret what
all this means, i.e. the exact role of the notations with sequences or "L"
or "R" or "N", and what the "=>" notation means (I suppose this is noting
an advance rule and that the left-hand side is the state before, the
right-hand-side is the state after, but I don't see where is the condition
(the character or character class to match, or an error condition). You've
only "explained" partly the NDE and ODE comments and the "!" when it is
Is that really what your regexp engine outputs as its internally generated
parser tables (only "friendly" serialized as a "readable" text) ?
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