Home > Database > Mysql Tutorial > body text

MySQL 找出包含非ASCII字符值的记录

WBOY
Release: 2016-06-07 14:54:51
Original
1247 people have browsed it

例如找出某些包含中文的的记录,使用的是 MySQL 的正则表达式查询条件 Ascii MySQL SELECT * FROM my_table WHERE NOT HEX(my_column) REGEXP '^([0-7][0-9A-F])*$';-- 相反的,找出只包含ASCII字符的记录SELECT * FROM my_table WHERE HEX(my_column) REGEXP

例如找出某些包含中文的的记录,使用的是 MySQL 的正则表达式查询条件
Ascii MySQL
SELECT * FROM my_table WHERE NOT HEX(my_column) REGEXP '^([0-7][0-9A-F])*$';

-- 相反的,找出只包含ASCII字符的记录

SELECT * FROM my_table WHERE HEX(my_column) REGEXP '^([0-7][0-9A-F])*$';
Copy after login
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template