Home :: Visualizing Regular Expressions
Very nice! If FSAs come up
Submitted by Larry Yaeger (not verified) on Thu, 02/23/2006 - 00:30.

Very nice! If FSAs come up in class, this will be an excellent teaching aid. Thanks!

Just FYI, there is an (annoyingly intermittent) minor bug (at least when viewed with Safari 2.0.3 on Mac OS X 10.4.4) in the handling of at least the first and last example expressions. If the very first character you type does not satisfy the expression, deleting it will often cause the head node to flash blue, but immediately return to white, after which the graph ceases to display any colors or state changes. I initially thought this was 100% reproducible, but have now seen the graph recover from this on occasion.

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