SQL Function to replace special characters from a string
CREATE Function [dbo].[replaceSpecialCharacters] (@str varchar(256)) returns varchar(256) with schemabinding begin SET @str = LTRIM(RTRIM(@str)) DECLARE @expres VARCHAR(50) = '%[~,@,#,$,%,&,*,{,},(,),.,!,:,?,^,+,=,;,-,/,\]%' WHILE PATINDEX( @expres, @str ) > 0 BEGIN SET @str = REPLACE(@str, SUBSTRING( @str, PATINDEX( @expres, @str ), 1 ),'_') END SET @str = Replace(@str,' ','||') SET @str = Replace(@str,'’','') SET @str = Replace(@str,'_','') SET @str = Replace(@str,'||','_') SET @str = Replace(@str,'__','_') SET @str = Replace(@str,'__','_') SET @str = LTRIM(RTRIM(@str)) return @str END GO