Question

I’ve column with data

CLARK
KING
MILLER
SMITH, $800 .00
JONES, $2975.00
SCOTT, $3000.00
ADAMS, $1100.00
FORD, $3000.00
ALLEN30  
WARD30  
MARTIN30  
BLAKE30  
TURNER30  
JAMES30  

I’want only alphanumeric rows means

SMITH, $800 .00
JONES, $2975.00
SCOTT, $3000.00
ADAMS, $1100.00
FORD, $3000.00

except this rows all rows should be included?

How can i get this?

Answer 1

You could use PATINDEX:

DECLARE @test table(col varchar(30));
INSERT INTO @test
   SELECT * FROM (SELECT 'CLARK' UNION ALL SELECT 'KING' UNION ALL SELECT 'MILLER' UNION ALL SELECT 'SMITH, $800 .00' UNION ALL SELECT 'JONES, $2975.00' UNION ALL SELECT 'SCOTT, $3000.00' UNION ALL SELECT 'ADAMS, $1100.00' UNION ALL SELECT 'FORD, $3000.00' UNION ALL SELECT 'ALLEN30' UNION ALL SELECT 'WARD30' UNION ALL SELECT 'MARTIN30' UNION ALL SELECT 'BLAKE30' UNION ALL SELECT 'TURNER30' UNION ALL SELECT 'JAMES30')AS T(Spalte)

Patindex returns the starting position of the first occurrence of a pattern in a specified expression. Since i’ve used a pattern that matches any non-alphanumeric (^ Wildcard – Character), this returns only records which contain only alphanumeric characters (+ white-spaces):

SELECT col 
FROM   @test
WHERE  PATINDEX('%[^a-zA-Z0-9 ]%',col) = 0

Result:

CLARK
KING
MILLER
ALLEN30
WARD30
MARTIN30
BLAKE30
TURNER30
JAMES30