"Darrin B. Jewell" <dbj@netbsd.org> writes:
> I haven't looked at lex input in a while, but I assume it doesn't
> matter that 0 matches both your decimal and octal regexps.  (The
> octal regexp could be easily adjusted to be 0[0-7]+ if it mattered)

Ignore this comment.  I was wrong.
0 is only matched by the octal regexp in your code.

Darrin