View Single Post

   
  #4 (permalink)  
Old 02-28-2008, 09:45 AM
Jeff Gardner
 
Posts: n/a
Default Re: REGEXP Clarification

Jeff Gardner wrote:
> Radoulov, Dimitre wrote:
>> "Jeff Gardner" wrote...
>>> Greetings:
>>>
>>> I am trying to locate incorrect data in a column using REGEXP. Only
>>> numeric data is allowed but I am importing data, some of which is not
>>> properly formatted. I am using:
>>>
>>> SELECT *
>>> FROM `table`
>>> WHERE `column` REGEXP "[^[:digit:]]";
>>>
>>> to locate any value that is not a number. I've tried several
>>> variations and I get an empty set back. I know that there are
>>> illegal characters in some of the data but I can't seem to locate it
>>> using this query. The field can contain anywhere from 1 to 6 digits,
>>> if that is relevant. Advice is much appreciated.

>>
>> Could you post an example of the "invalid" data,
>> on my 5.1.12 you query works.
>>
>>
>> Regards
>> Dimitre
>>

> The program that I am importing into tells me that one of the fields
> contains a period. I am using mysql from the command line to "sanitize"
> the data before final import. If I find it, I'll post it.
>

It turns out that there were 13 rows with a NULL value in the field in
question. NULL is not whitespace, nor is it digits. Any explanation as
to why the above query returned no rows?

--

Regards,

Jeff Gardner
___________________________

"Contrary to popular belief, Unix is user friendly. It just happens
to be very selective about who its friends are." --Kyle Hearn
Reply With Quote