获取表记录中以数字结尾的字符串


为此,你需要使用 REGEXP。语法如下 −

select *from yourTableName where yourColumnName REGEXP '[[:digit:]]$';

为了理解以上语法,我们创建一个表格。创建表格的查询如下 −

mysql> create table StringEndsWithNumber
   -> (
   -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,
   -> UserId varchar(20),
   -> UserName varchar(20)
   -> );
Query OK, 0 rows affected (0.62 sec)

使用 insert 命令在表格中插入一些记录。查询如下 −

mysql> insert into StringEndsWithNumber(UserId,UserName) values('123User','John');
Query OK, 1 row affected (0.18 sec)
mysql> insert into StringEndsWithNumber(UserId,UserName) values('User456','Larry');
Query OK, 1 row affected (0.19 sec)
mysql> insert into StringEndsWithNumber(UserId,UserName) values('User789','John');
Query OK, 1 row affected (0.12 sec)
mysql> insert into StringEndsWithNumber(UserId,UserName) values('0981User','Carol');
Query OK, 1 row affected (0.17 sec)
mysql> insert into StringEndsWithNumber(UserId,UserName) values('User999','Bob');
Query OK, 1 row affected (0.14 sec)
mysql> insert into StringEndsWithNumber(UserId,UserName) values('User1290','David');
Query OK, 1 row affected (0.37 sec)
mysql> insert into StringEndsWithNumber(UserId,UserName) values('User456','James');
Query OK, 1 row affected (0.21 sec)

使用 select 语句显示表格中的所有记录。查询如下 −

mysql> select *from StringEndsWithNumber;

输出

+----+----------+----------+
| Id | UserId   | UserName |
+----+----------+----------+
|  1 | 123User  | John     |
|  2 | User456  | Larry    |
|  3 | User789  | John     |
|  4 | 0981User | Carol    |
|  5 | User999  | Bob      |
|  6 | User1290 | David    |
|  7 | User456  | James    |
+----+----------+----------+
7 rows in set (0.00 sec)

以下是字符串以数字结尾的查询 −

mysql> select *from StringEndsWithNumber where UserId REGEXP '[[:digit:]]$';

输出

+----+----------+----------+
| Id | UserId   | UserName |
+----+----------+----------+
|  2 | User456  | Larry    |
|  3 | User789  | John     |
|  5 | User999  | Bob      |
|  6 | User1290 | David    |
|  7 | User456  | James    |
+----+----------+----------+
5 rows in set (0.11 sec)

更新于:2019 年 7 月 30 日

46 次浏览

开启您的 职业 生涯

完成课程获得认证

开始
广告