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SELECT id FROM users WHERE tags REGEXP "(^|\,| )#attentionWhore($|\,)" ORDER BY username ASC
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SELECT id FROM users WHERE active=1 AND (username LIKE "%#attentionWhore%" OR fullname LIKE "%#attentionWhore%" OR position LIKE "%#attentionWhore%") ORDER BY username ASC
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SELECT id FROM users WHERE active=1 AND (username="#attentionWhore" OR fullname="#attentionWhore" OR position="#attentionWhore") ORDER BY username ASC