---
{
    "title": "find_in_set",
    "language": "zh-CN"
}
---

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# find_in_set
## description
### Syntax

`INT find_in_set(VARCHAR str, VARCHAR strlist)`


返回 strlist 中第一次出现 str 的位置（从1开始计数）。strlist 是用逗号分隔的字符串。如果没有找到，返回0。任意参数为 NULL ，返回 NULL。

## example

```
mysql> select find_in_set("b", "a,b,c");
+---------------------------+
| find_in_set('b', 'a,b,c') |
+---------------------------+
|                         2 |
+---------------------------+
```
## keyword
FIND_IN_SET,FIND,IN,SET