Re: [MacPerl] Callbacks not reliable?

[Ronald J Kimball <rjk@linguist.dartmouth.edu>]

On Thu, Sep 14, 2000 at 03:31:49PM -0600, Keary Suska wrote:
> I had always thought in m// or s/// that if the pattern doesn't match that
> the callback variables (i.e. $1, $2, $3 ...) would be undefined. I am
> finding that this isn't the case at least with a substitution.

That is incorrect.  $<digit> and the other regex special variables contain
the values from the last *successful* pattern match in the current scope.
An unsuccesful match does not reset these variables.

Ronald

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