Preview:
DECLARE @pattern varchar(52) = '0123456789 abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
SELECT 
   v.[Text], 
   REPLACE(
      TRANSLATE(
         v.[Text],
         REPLACE(TRANSLATE(v.[Text], @pattern, REPLICATE('a', LEN(@pattern))), 'a', ''),
		 REPLICATE('~', LEN(REPLACE(REPLACE(TRANSLATE(v.[Text], @pattern, REPLICATE('a', LEN(@pattern))), 'a', ''), ' ', '.')))
      ),
      '~',
      ''
   ) AS AlphaNumericCharacters
FROM (VALUES
   ('abc01234def5678ghi90jkl#@$&"'),
   ('1234567890'),
   ('JAHDBESBN%*#*@*($E*sd55bn')
) v ([Text]);
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