Which version of Exception::Class did you read? The caught() method in E::C 1.32 includes the type check:

    return unless blessed($e) && $e->isa( $_[1] );

I trust the Perl 5 core to get isa() right for a type check (and I trust that everyone following this conversation can trivially distinguish between an exact string match and a regular expression match in terms of fragility).

In reply to Re^8: eval to replace die? by chromatic
in thread eval to replace die? by hsmyers

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