bad characters in page titles on Commons

SQL

USE commonswiki_p;
SET @u200B = CONCAT('%', CHAR(0xE2808B USING utf8mb3), '%'); #zero width space
SET @u200C = CONCAT(CHAR(0xE2808C USING utf8mb3), '%'); #zero width non-joiner
SET @u200D = CONCAT(CHAR(0xE2808D USING utf8mb3), '%'); #zero width joiner
SET @u200E = CONCAT('%', CHAR(0xE2808E USING utf8mb3), '%'); #LTR mark
SET @u200F = CONCAT('%', CHAR(0xE2808F USING utf8mb3), '%'); #RTL mark
SET @u2028 = CONCAT('%', CHAR(0xE280A8 USING utf8mb3), '%'); #line separator
SET @u2029 = CONCAT('%', CHAR(0xE280A9 USING utf8mb3), '%'); #paragraph separator
SET @u2060 = CONCAT('%', CHAR(0xE281A0 USING utf8mb3), '%'); #word joiner
SET @uFEFF = CONCAT('%', CHAR(0xEFBBBF USING utf8mb3), '%'); #BOM
SELECT CONCAT('# [[:{{ns:', page_namespace, '}}:', REPLACE(page_title, '_', ' '), ']]',
              IF(page_title LIKE @u200B, ' U+200B zero width space', ''),
              IF(page_title LIKE @u200C, ' U+200C leading zero width non-joiner', ''),
              IF(page_title LIKE @u200D, ' U+200D leading zero width joiner', ''),
              IF(page_title LIKE @u200E, ' U+200E LTR mark', ''),
              IF(page_title LIKE @u200F, ' U+200F RTL mark', ''),
              IF(page_title LIKE @u2028, ' U+2028 line separator', ''),
              IF(page_title LIKE @u2029, ' U+2029 paragraph separator', ''),
              IF(page_title LIKE @u2060, ' U+2060 word joiner', ''),
              IF(page_title LIKE @uFEFF, ' U+FEFF BOM', ''),
              IF(page_title LIKE '%%', ' U+FFFC ', ''),
              IF(page_title LIKE '%�%', ' U+FFFD �', ''))
FROM page
WHERE (page_namespace % 2) = 0
AND page_is_redirect = 0/*
AND (page_title LIKE '%%' #ZWSP U+200B (E2 80 8B)
  OR page_title LIKE '‌%'  #ZWNJ U+200C (E2 80 8C)
  OR page_title LIKE '‍%'  #ZWJ U+200D (E2 80 8D)
  OR page_title LIKE '%‎%' #LTR U+200E (E2 80 8E)
  OR page_title LIKE '%‏%' #RTL U+200F (E2 80 8F)
  OR page_title LIKE '%%' #BOM U+FEFF (EF BB BF)
  OR page_title LIKE '%%'  #OBJ REPL CHAR U+FFFC (EF BF BC)
  OR page_title LIKE '%�%') #REPL CHAR     U+FFFD (EF BF BD)*/
#AND page_title REGEXP @u200B
AND (page_title LIKE @u200B OR page_title LIKE @u200C OR page_title LIKE @u200D OR page_title LIKE @u200E OR page_title LIKE @u200F
  OR page_title LIKE @u2028 OR page_title LIKE @u2029 OR page_title LIKE @u2060 OR page_title LIKE @uFEFF)# OR page_title LIKE @u200F)
#AND page_id NOT IN (SELECT cl_from FROM categorylinks WHERE cl_to = 'Category_redirects')
LIMIT 100;
SQL

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