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parse string

Author

Topic

pnpsql
Posting Yak Master

246 Posts

Posted - 2012-05-15 : 11:28:55

i need to parse a string like

[p]a]a]s]s][p

when a [ sign occurs then next letter need to be convert in upper case and when a ]sign occurs the
next letter need to be convert in lower case.the sign [and ] need to be removed

the desired output of is : [p]a]a]s]s][p string is PaassP

please help

challenge everything

khtan
In (Som, Ni, Yak)

17689 Posts

Posted - 2012-05-15 : 11:42:23

[code]
declare @str varchar(20) = '[p]a]a]s]s][p'
declare @pos int

select @pos = charindex('[', @str)

while @pos <> 0
begin
select @str = stuff(@str, @pos + 1, 1, upper(substring(@str, @pos + 1, 1)))
select @pos = charindex('[', @str, @pos + 1)
end

select replace(replace(@str, '[', ''), ']', '')
[/code]

KH
[spoiler]Time is always against us[/spoiler]

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-05-15 : 22:26:50

[code]
declare @str varchar(20) = '[p]a]a[s]s][p',@rstr varchar(20)
declare @pos int
;With Num(N)
AS
(
SELECT 1
UNION ALL
SELECT N+1
FROM Num
WHERE N+1 <= LEN(@str)
)
select @rstr=COALESCE(@rstr,'') + CASE WHEN SUBSTRING(@str,N-1,1)='[' THEN UPPER(SUBSTRING(@str,N,1)) WHEN SUBSTRING(@str,N-1,1)=']' THEN LOWER(SUBSTRING(@str,N,1)) ELSE SUBSTRING(@str,N,1) END
from Num
WHERE N >1
AND SUBSTRING(@str,N,1) NOT IN ('[',']')

select @rstr
[/code]

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

pnpsql
Posting Yak Master

246 Posts

Posted - 2012-05-20 : 23:35:30

resolved... thanks

challenge everything

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-05-21 : 16:19:53

welcome

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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