MYSQL 中如何使用 REGEXP 匹配中文问题??? - V2EX
thinkmore

MYSQL 中如何使用 REGEXP 匹配中文问题???

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  •   thinkmore Jan 11, 2015 5902 views
    This topic created in 4138 days ago, the information mentioned may be changed or developed.
    倒腾了几天,看文档,搜google,都没有找到答案,实在是没法了,求各位助我一臂之力!
    V2EX不好上图,就把问题发到了csdn,望大家看看,给我个提示!不胜感激。

    http://bbs.csdn.net/topics/390969138?
    7 replies    2017-09-01 03:18:31 +08:00
    thinkmore
        1
    thinkmore  
    OP
       Jan 11, 2015
    自己给自己顶一下吧!
    lululau
        2
    lululau  
       Jan 11, 2015
    MySQL 不支持 {m,} 这个用法
    lululau
        3
    lululau  
       Jan 11, 2015
    且你的正则写得也有问题
    lululau
        4
    lululau  
       Jan 11, 2015   1
    好像 {m,} 是可以的,改成 '(删除){2,}' 试试
    thinkmore
        5
    thinkmore  
    OP
       Jan 11, 2015
    @lululau mysql,改成你说的那种不起作用,我以为它的语法是Java中的那种语法,结果竟然把逗号也当成比较的内容了,所以我换成了

    select * from test3 where operate REGEXP '(删除,){2}'
    面前达到效果了
    thinkmore
        6
    thinkmore  
    OP
       Jan 12, 2015
    唉,看来这个正则要把我弄哭了,我换到Java端来也搞不定,悲催
    undercloud
        7
    undercloud  
       Sep 1, 2017   1
    好吧,搜到这儿 贡献一下刚找到的答案 [stackoverflow]( https://stackoverflow.com/questions/14356248/does-mysql-regexp-support-unicode-matching)
    MySql 的 REGEXP 不支持多字节匹配,也就是说,中文编码是不行了
    要用只能用 LIKE 或者数据量不大的情况下从数据库中取出来 用程序作为 workaround
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