[ic] '!~' and 'rn' are not equivalent

David Christensen david at endpoint.com
Wed Mar 10 02:34:25 UTC 2010

On Mar 9, 2010, at 8:06 PM, Grant wrote:

> Since they have identical definitions under mv_column_op here:
> http://www.icdevgroup.org/interchange-doc-5.2.0/frames/icdatabase_38.html
> I was under the impression that '!~' and 'rn' were equivalent
> operators.  After some testing I see that they are not.  Can anyone
> tell me what is the difference between them?

Looks like the difference is that `rn` is case-sensitive, while '!~'  
is not.


David Christensen
End Point Corporation
david at endpoint.com

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