How to get certain text from a string of a table column in SQL

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SQL-server-2000

SQL-Server-2005

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Hi All,

I have a column in a table Inforamtion having value as 'text <head>record 1, record 2 </head> . HTML tag'.

What I want is that the string portion between <head> </head> tag.
means result should be record 1, record 2.

Thanks & Regards
Mohammad Wasif

Posted 26-Mar-14 3:17am

Mohd Wasif

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dimpledevani 26-Mar-14 9:40am

You can try the substring function.If all records have <head> and </head> and you required data is always between these tags,then substring would be apt.

3 solutions

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Murugesan22 · Answer 1 · 2014-03-26T03:39:00

Create Proc  StripHTML (@HTMLText VARCHAR(MAX))
 as
BEGIN
    DECLARE @Start INT
    DECLARE @End INT
    DECLARE @Length INT
    SET @Start = CHARINDEX('<',@HTMLText)
 
    SET @End = CHARINDEX('>',@HTMLText,CHARINDEX('<',@HTMLText))
 
    SET @Length = (@End - @Start) + 1
    
    WHILE @Start > 0 AND @End > 0 AND @Length > 0
    BEGIN
        SET @HTMLText = STUFF(@HTMLText,@Start,@Length,'')
       
        SET @Start = CHARINDEX('<',@HTMLText)
         
        SET @End = CHARINDEX('>',@HTMLText,CHARINDEX('<',@HTMLText))
         
        SET @Length = (@End - @Start) + 1
    END
    Select LTRIM(RTRIM(@HTMLText))
END



 -- StripHTML '<head><body><form>record 1, record 2 </form></body></head>'

OriginalGriff · Answer 2 · 2014-03-26T03:46:00

Solution 2

You can do it - but it's probably better done in your presentation software, or by storing the info in the format you want, because SQL string handling facilities are...um...basic.

SQL

SELECT SUBSTRING(
                 SUBSTRING(text, 0, PATINDEX('%</head>%', text)), 
                 PATINDEX('%<head>%', text) + 6, 
                 32000)
FROM MyTable

See what I mean?

Posted 26-Mar-14 3:46am

OriginalGriff

Comments

Mohd Wasif 27-Mar-14 1:04am

Thanks a lot. worked for me. my 5

OriginalGriff 27-Mar-14 5:06am

You're welcome!

Jhone2011 · Answer 3 · 2014-03-27T23:49:00

Solution 3

SQL

declare @xml xml;
declare @val varchar(500) = '<head>record1,record2</head>';
set @xml = CONVERT(xml,@val);

select tab.col.value('head[1]','varchar(20)') vallue from @xml.nodes('/') tab(col);

Posted 27-Mar-14 23:49pm

Jhone2011