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

Grant emailgrant at gmail.com
Wed Mar 10 02:06:34 UTC 2010

Since they have identical definitions under mv_column_op here:


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?

- Grant

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