Tom,
> regression=# select 'foo' ~* '';
> ERROR: regcomp failed with error empty (sub)expression
>
> This is correct according to the POSIX definition of regular
> expressions
> ("A (modern) RE is one or more non-empty branches ...").
That sounds like what I'm seeing! And now that you point it out, there
is a bug in the PHP that calls this function that passes an empty string
('') instead of a NULL. Thanks!
Any possibility that that error message could be made more informative?
(i.e. ERROR: regcomp failed due to empty string in regular expression)
-Josh Berkus
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