Regular expression pattern
Hi Experts,
I get a SQL in a table is of type CLOB. At the end of the sql statement look like below.
AND SUBSTR (NLS_LOWER (GCT. AVGROUPCODE), 1, 51) = SUBSTR (NLS_LOWER (CST. AVGROUPCODE), 1: 51)
AND SUBSTR (NLS_LOWER (GCT. DATAAREAID), 1, 7) = SUBSTR (NLS_LOWER (CST. DATAAREAID), 1, 7)
AND SUBSTR (NLS_LOWER (AVL. TO_MEMBERID), 1: 25) =? P_TO_NUM?
)
WHERE ODULSATIS > =? P_LIMIT?
ORDER BY ODULSATIS DESC
As you can see, I want to replace NULL for ' WHERE ODULSATIS > =? P_LIMIT? ' * NEW LINE * ORDER BY ODULSATIS DESC '. I try to catch him by regular expression, but I can't. I find the new symbol of the regex line.
l_sql : = regexp_replace (replace (replace (l_sql "(OÙ ODULSATIS > = \?)"))) P_LIMIT\?) (ORDER BY ODULSATIS DESC) \n', " " );
Kind regards.
Hi try it below:
l_sql: = regexp_replace (l_sql, ' (WHERE. * | chr (10) |)) (Order.*)');
(Or for exact string)
l_sql: = regexp_replace (l_sql, "(OÙ ODULSATIS > =?)") P_LIMIT? Chr (10) | (ORDER BY ODULSATIS DESC)');
SAMPLE DATA:
WITH T (STR) AS
(SELECT"
AND SUBSTR (NLS_LOWER (GCT. AVGROUPCODE), 1, 51) = SUBSTR (NLS_LOWER (CST. AVGROUPCODE), 1: 51)
AND SUBSTR (NLS_LOWER (GCT. DATAAREAID), 1, 7) = SUBSTR (NLS_LOWER (CST. DATAAREAID), 1, 7)
AND SUBSTR (NLS_LOWER (AVL. TO_MEMBERID), 1: 25) =? P_TO_NUM?
)
WHERE ODULSATIS > =? P_LIMIT?
ORDER BY ODULSATIS DESC' DOUBLE)
SELECT REGEXP_REPLACE (STR,'(WHERE. * | chr (10) |)) ORDER.*) ") T;"
OUTPUT:
STR
--------------------------------------------------------------------------------AND SUBSTR (NLS_LOWER (GCT. AVGROUPCODE), 1, 51) = SUBSTR (NLS_LOWER (CST. AVGROUPCODE),
1.51)
AND SUBSTR (NLS_LOWER (GCT. DATAAREAID), 1, 7) = SUBSTR (NLS_LOWER (CST. DATAAR
SAID), 1, 7)
AND SUBSTR (NLS_LOWER (AVL. TO_MEMBERID), 1: 25) =? P_TO_NUM?
)
Tags: Database
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