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types: Document ignored &default for table[pattern] string matching #266

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Jul 29, 2024
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types: Document ignored &default for table[pattern] string matching #266

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9 changes: 9 additions & 0 deletions script-reference/types.rst
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Expand Up @@ -1167,6 +1167,15 @@ the entire string. If you want the pattern to match if it's *anywhere*
in the string, you can use the usual regular expression operators such
as ``/.*foo.*/``.

.. note::

The :zeek:attr:`&default` attribute is ignored for this type of lookup.
If none of the patterns matches a given string, the result will be an empty
:zeek:type:`vector`, regardless of :zeek:attr:`&default`. Neither is the
:zeek:attr:`&default_insert` attribute used. It's not an error to have
either of these attributes, however. They'll still be in effect when
indexing with :zeek:type:`pattern` values.

.. note::

Internally, Zeek matches a table's patterns in parallel using a lazily
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