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Extracting a String Within Delimeters - Part 2


Extracting a String Within Delimeters - Part 2

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Lashams
Lashams
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Comments posted to this topic are about the content posted at http://www.sqlservercentral.com/colu



Antares686
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There is a typo in the SELECT code, needs to be

SELECT Particulars,
LTRIM(RTRIM(SUBSTRING(
/* <text>> */ Particulars,
/* <start > */ CHARINDEX(';',Particulars,1) + 1,
/* <length> */ CHARINDEX(';',
SUBSTRING(Particulars, CHARINDEX(';', Particulars, 1) + 1, 99) + ';') - 1
) ) ) AS Result_string
FROM Sample_table





Code Monkey-158952
Code Monkey-158952
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The innermost SUBSTRING will yield this:

LUC20031026901 ; Vehicle
Consolidated
SUB35030172701 ; Building
LIQ200310121 ; Liquor

and when the semicolon is added, it will look like this:

LUC20031026901 ; Vehicle ;
Consolidated ;
SUB35030172701 ; Building ;
LIQ200310121 ; Liquor ;




Best Regards,

Code Monkey

Adam Machanic
Adam Machanic
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Wouldn't it be easier to just use:

SELECT RIGHT(RTRIM(Particulars), LEN(RTRIM(Particulars)) - CHARINDEX(';',Particulars) - 1)
FROM Sample_table

Also, you could remove the RTRIMs if you used VARCHAR instead of CHAR...

--
Adam Machanic
SQL Server MVP
SQLblog.com: THE SQL Server Blog Spot on the Web
Norbert L. Muth, M.A.
Norbert L. Muth, M.A.
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drop table Sample_table
CREATE TABLE #Sample_table (Particulars varchar(120))
GO
INSERT INTO #Sample_table VALUES('LDR ; LUC20031026901 ; Vehicle')
INSERT INTO #Sample_table VALUES('LDR ; Consolidated ')
INSERT INTO #Sample_table VALUES('LDR ; SUB35030172701 ; Building')
INSERT INTO #Sample_table VALUES('LDRR ; LIQ200310121 ; Liquor')

select * from #Sample_table

SELECT Particulars,
-- quotename( -- enable this to see, that's just the string without spaces around
LTRIM(RTRIM(
SUBSTRING(Particulars,
/*from*/CHARINDEX(';',Particulars,1)+1, -- search first delimiter and then offset 1 from first deliminter

/* to */CHARINDEX(';', -- search for the next delimter as the end-of-string
SUBSTRING (Particulars,
/*from*/ (CHARINDEX (';', Particulars,1)+1) -- the first character after first delimiter
/* to */ , datalength(Particulars) -- use datalength for not beeing bound to specific length
) + ';' -- for any case add a delimiter (this was a good idea from Denis Oliynik !!), if it's an additonal, it's just lost
) - 1 -- delimiter Position minus one
)
) -- rigth parenthesis for lrim
) -- rigth parenthesis for rtrim
--  rigth parenthesis for quotename
FROM #Sample_table

/* commet out ltrim/rtrim to extract the whole string with spaces
This is a very general select not delimited to programmed stringlenthes or varchar's etc. It just extracts the first delimited string within another string, not more or less.

sincerely
Norbert L.Muth, M.A.
DBA of KNO-VA.de
Norbert.Muth@gmx.de
*/


Lashams
Lashams
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Thanks for the feedback. The typo occurred in translation from the submitted MS/Word document to the HTML page and was an accident by the publisher that I did not pick up on. Please accept my apologies for this.



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