因此，我想找出特定字段中具有UTF8字符的所有行，方法如下：
SELECT * FROM table1 WHERE field1 REGEXP [[:utf8:]] ;
搜索MySQL文档，但一无所获。这可能吗？
我指的是非ASCII字符。
设法找到了一种方法：http://www.kavoir.com/2011/03/mysql-find-non-ascii-characters.html
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