Re: Regex bug - Mailing list pgsql-bugs

From Tom Lane
Subject Re: Regex bug
Date
Msg-id 20774.1091813552@sss.pgh.pa.us
Whole thread Raw
In response to Regex bug  (David Fetter <david@fetter.org>)
Responses Re: Regex bug  (David Fetter <david@fetter.org>)
List pgsql-bugs
David Fetter <david@fetter.org> writes:
> Here's a symptom as reported by John Hansen aka applejack:

> SELECT 'r'||'\000\125'||'hello' ~ '^.hello' AS "OMG";

This is not a regex bug: it has to do with the fact that we don't
support embedded nulls in text values.  This may enlighten you
a bit as to what's happening:

regression=# select length ('\000\125');
 length
--------
      0
(1 row)


            regards, tom lane

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