[racket] s-expression syntax for regular expressions

Found it

http://www.ccs.neu.edu/home/shivers/papers/sre.txt


On Sun, Dec 29, 2013 at 2:50 PM, Harry Spier <vasishtha.spier at gmail.com>wrote:

>
> A while ago I found a link in a post in the Racket user forum to an
> article where a CS prof was describing a suggested a new syntax for regular
> expressions based on s-expressions.  But I haven't been able to locate it
> in the forum again.
>
> If anyone knows the link I'm talking about could they post it please.
>
> Thanks,
> Harry
>
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