CREATE FUNCTION [players].[normalize_string] ( @input NVARCHAR(100) ) RETURNS NVARCHAR(100)
AS
BEGIN
    DECLARE @output NVARCHAR(100)
    SET @input = LOWER(UPPER(@input))
    set @output = @input
    set @output = REPLACE(@output,'ı','i')
    set @output = REPLACE(@output,'ş','s')
    set @output = REPLACE(@output,'ç','c')
    set @output = REPLACE(@output,'ö','o')
    set @output = REPLACE(@output,'ğ','g')
    set @output = REPLACE(@output,'ü','u')
    set @output = REPLACE(@output,'@','')
    set @output = REPLACE(@output,'-','')
    set @output = REPLACE(@output,'.','')
    set @output = REPLACE(@output,',','')
    set @output = REPLACE(@output,'?','')
    set @output = REPLACE(@output,'*','')
    set @output = REPLACE(@output,'_','')
    set @output = REPLACE(@output,'=','')
    set @output = REPLACE(@output,')','')
    set @output = REPLACE(@output,'(','')
    set @output = REPLACE(@output,'/','')
    set @output = REPLACE(@output,'&','')
    set @output = REPLACE(@output,'%','')
    set @output = REPLACE(@output,'+','')
    set @output = REPLACE(@output,'!','')
    set @output = REPLACE(@output,' ','')
    return (@output)
END