ruwiki: Users with no Cyrillic and Latin symbols in username

SQL

use ruwiki_p;

select
	user_name,
	concat(substring(user_registration, 1, 4), '-', substring(user_registration, 5, 2), '-', substring(user_registration, 7, 2), ' ',
           substring(user_registration, 9, 2), ':', substring(user_registration, 11, 2), ':', substring(user_registration, 13, 2)),
    concat('https://ru.wikipedia.org/wiki/Участник:', user_name) as "Ссылка"
from user
where not (
  user_name regexp '[[:alpha:]]' or
  instr(user_name, 'а') or instr(user_name, 'б') or instr(user_name, 'в') or instr(user_name, 'г') or instr(user_name, 'д') or instr(user_name, 'е') or instr(user_name, 'ё') or instr(user_name, 'ж') or instr(user_name, 'з') or instr(user_name, 'и') or instr(user_name, 'й') or instr(user_name, 'к') or instr(user_name, 'л') or instr(user_name, 'м') or instr(user_name, 'н') or instr(user_name, 'о') or instr(user_name, 'п') or instr(user_name, 'р') or instr(user_name, 'с') or instr(user_name, 'т') or instr(user_name, 'у') or instr(user_name, 'ф') or instr(user_name, 'ъ') or instr(user_name, 'ц') or instr(user_name, 'ч') or instr(user_name, 'ш') or instr(user_name, 'щ') or instr(user_name, 'ъ') or instr(user_name, 'ы') or instr(user_name, 'ь') or instr(user_name, 'э') or instr(user_name, 'ю') or instr(user_name, 'я') or
  instr(user_name, 'А') or instr(user_name, 'Б') or instr(user_name, 'В') or instr(user_name, 'Г') or instr(user_name, 'Д') or instr(user_name, 'Е') or instr(user_name, 'ё') or instr(user_name, 'Ж') or instr(user_name, 'З') or instr(user_name, 'И') or instr(user_name, 'Й') or instr(user_name, 'К') or instr(user_name, 'Л') or instr(user_name, 'М') or instr(user_name, 'Н') or instr(user_name, 'О') or instr(user_name, 'П') or instr(user_name, 'Р') or instr(user_name, 'С') or instr(user_name, 'Т') or instr(user_name, 'У') or instr(user_name, 'Ф') or instr(user_name, 'Ъ') or instr(user_name, 'Ц') or instr(user_name, 'Ч') or instr(user_name, 'Ш') or instr(user_name, 'Щ') or instr(user_name, 'Ъ') or instr(user_name, 'Ы') or instr(user_name, 'Ь') or instr(user_name, 'Э') or instr(user_name, 'Ю') or instr(user_name, 'Я'))
order by user_registration desc
limit 10
SQL

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