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To remove or replace multiple special character from string using sql queries.

By , 30 Dec 2010
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In FN_REMOVE_SPECIAL_CHARACTER] we make use of WITH clause CTE to store the resultset of all special character in one row table.To remove unwanted special characters,we pass string input values and apply string's replace funtion having special character match values from CTE table .

CREATE FUNCTION [FN_REMOVE_SPECIAL_CHARACTER] (  
 @INPUT_STRING varchar(300))
RETURNS VARCHAR(300)
AS 
BEGIN
 
--declare @testString varchar(100),
DECLARE @NEWSTRING VARCHAR(100) 
-- set @teststring = '@san?poojari(darsh)'
 SET @NEWSTRING = @INPUT_STRING ; 
With SPECIAL_CHARACTER as
(
SELECT '>' as item
UNION ALL 
SELECT '<' as item
UNION ALL 
SELECT '(' as item
UNION ALL 
SELECT ')' as item
UNION ALL 
SELECT '!' as item
UNION ALL 
SELECT '?' as item
UNION ALL 
SELECT '@' as item
UNION ALL 
SELECT '*' as item
UNION ALL 
SELECT '%' as item
UNION ALL 
SELECT '$' as item
 )
SELECT @NEWSTRING = Replace(@NEWSTRING, ITEM, '') FROM SPECIAL_CHARACTER  
return @NEWSTRING 
END
select dbo.[FN_REMOVE_SPECIAL_CHARACTER] ('@s()antosh')

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

santosh poojari
Technical Lead
India India
Whatsup-->Exploring--> MVC/HTML5/Javascript & Virtualization.......!
www.santoshpoojari.blogspot.com

Comments and Discussions

 
GeneralMy vote of 4 Pinmemberharirg19-Sep-13 18:30 
GeneralMy vote of 5 PinmemberAmol_B30-Oct-12 20:32 
GeneralMy vote of 5 Pinmemberdelaramin2fun28-Aug-12 19:41 
GeneralReason for my vote of 5 Very helpful string function Pinmemberying shen30-Nov-11 16:44 
GeneralReason for my vote of 2 it good but nt the best Pinmemberspydeehunk5-Jan-11 1:57 

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