I faced many times an issue to remove special characters from a string. Suppose you are working on
searching concept and you have to remove the special characters from search
string due to query performance, there are many solutions is available but T-SQL
is quickly resolved this issue.
Following query may
help you to resolve your issue.
DECLARE @str VARCHAR(400)
DECLARE @expres VARCHAR(50) = '%[~,@,#,$,%,&,*,(,),.,!]%'
SET @str = '(remove) ~special~
*characters. from string in sql!'
WHILE PATINDEX( @expres, @str ) > 0
BEGIN
SET @str = Replace(REPLACE( @str, SUBSTRING( @str, PATINDEX( @expres, @str ), 1 ),''),'-',' ')
END
SELECT @str
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