some incomplete SQL scripts.
SELECT
wp_redirection_items.*,
wp_redirection_groups.position AS group_pos
FROM wp_redirection_items
INNER JOIN wp_redirection_groups ON
wp_redirection_groups.id=wp_redirection_items.group_id
AND wp_redirection_groups.status='enabled'
AND wp_redirection_groups.module_id RLIKE 'd'
WHERE (wp_redirection_items.regex=1 OR wp_redirection_items.url RLIKE '\/$')
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/* SELECT
wp_redirection_items.*
FROM wp_redirection_items */
UPDATE wp_redirection_items
SET url = REPLACE( url, '/nate', '')
regex = 1
WHERE url NOT REGEXP '/$'
/* UPDATE wp_redirection_items
SET url = CONCAT( url, '[/]?') */
WHERE url NOT REGEXP '/$'