From: "Ken Tanzer" <[EMAIL PROTECTED]>

> Using Postgres V. 7.4.1, the following query:
>
>     SELECT substring('X12345X' FROM '.*?([0-9]{1,5}).*?');
>
> Returns '1'.  I would expect it to return '12345'.  Is this a bug, or am
> I missing something?  Thanks.

the results of mixing greedy and non-greedy repetitions can be difficult to
predict.

try SELECT substring('X12345X' FROM '\\D*(\\d{1,5}).*?');

gnari



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