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Query to find words over a certain length without spaces

Posted on 2011-09-27
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Last Modified: 2012-05-12
Hi all,

Hopefully a quick one - I hav a table full of words and phrases and trying to return anything over length 15 without being multiple words (i/e/ no spaces).

So far I have:

SELECT *
FROM `words`
WHERE length( trim( word ) ) >15
LIMIT 0 , 30

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But need to exclude phrases with spaces - had a look at REGEXP '[:space:]' but can't seem to get that to work in the query.

So a sudo query:

select * from words where word is longer than 20 but make sure it is a word and not a phrase with spaces

Cheers
0
Comment
Question by:dolythgoe
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3 Comments
 
LVL 23

Expert Comment

by:nemws1
ID: 36712768
So if it's a phrase that contains a 15 character word, but there's a space in the field, you don't want it, right?

If so, how about this:
SELECT *
FROM `words`
WHERE word REGEXP '[a-z]{15}'
  AND WORD NOT LIKE '% %'
;

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0
 
LVL 23

Accepted Solution

by:
nemws1 earned 1000 total points
ID: 36712788
It looks like some of your words might have trailing/starting spaces that don't concern you.  If so, you're on the right track with TRIM() - just add it before the NOT LIKE:
SELECT *
FROM `words`
WHERE word REGEXP '[a-z]{15}'
  AND TRIM(word) NOT LIKE '% %'
;

Open in new window

0
 

Author Closing Comment

by:dolythgoe
ID: 36713642
Nice one! Thanks a lot
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