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how to Find words with length less than or equal...

  declare @inp nvarchar(max),@data nvarchar(max)
  set @inp='You can dance, you can jive, having .... jove... jve, ...' 
  set @data = 'jeve'
  select @inp as results where @inp like '%' + @data +'%'

@inp not return any data, but i want show:

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Do you want a T-SQL solution, or a CLR solution (which would be trivial)? Do you have to do this once (favour T-SQL), or many times (favour CLR)? – Jon Seigel May 12 '13 at 17:49
T-SQL please... thank you. – Massoud Afrashteh May 19 '13 at 22:10
If @inp = 'You can dance, you can jive, having .... jove... jve,, ...veej' Would you want results results = jive, jove, jve, jeep, veej ? – Thronk Oct 8 '13 at 17:32

I've never thought of SOUNDEX or DIFFERENCE as that useful, and they are certainly a bit old-fashioned these days. However we can combine it with the full-text parser, and it does in fact answer this query. Note the extra quotes in the search statement:

SET @inp= '"You can dance, you can jive, having .... jove... jve, ..."' 
SET @data = 'jeve'

SELECT display_term, SOUNDEX(display_term) sdx
FROM sys.dm_fts_parser(@inp,0,0,0)
WHERE SOUNDEX(display_term) = SOUNDEX(@data)
 AND LEN(display_term) <= LEN(@data)

SELECT display_term, SOUNDEX(display_term) sdx, DIFFERENCE(display_term,@data) diff
FROM sys.dm_fts_parser(@inp,0,0,0)

There is a fairly limited use case for these functions so if you have more complex examples then they probably won't extend. Worth a mention though.

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What would be the not olde fashioned way to do a sounds like query (soundex)? I coincidentally just learner out the algorithm that makes sounded work a couple of weeks ago and I was impressed...Maybe this would be a machine learning problem now? – Thronk Oct 9 '13 at 0:50
I was thinking something like Levenshtein Distance or some kind of CLR pattern matching, or maybe SQL 2012 SEMANTICSIMILARITYTABLE. It's not really clear what they're after. – wBob Oct 9 '13 at 0:52

Your best bet is not T-SQL, but CLR and Regular Expressions.

Here is an article to get your started

If this is possible in pure T-SQL it will need more specific rules around what represents a match and what doesn't that your use case unfortunately did not specify.

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