# CONTAINS

```
CONTAINS(sourceExpr,targetExpr)
```

Returns true if an expression contains the given substring.

Available in:

| Processors | SQL Studio |
| ---------- | ---------- |
| ✓          | ✓          |

*Sample code:*

```sql
USE `kafka`;
SELECT 
    CONTAINS(first_name, 'A'), 
    first_name first_name 
FROM users-topic
LIMIT 2;
```

*Output:*

```json
{
  "value": {
    "CONTAINS": false,
    "first_name": "Jose"
  }
}
{
  "value": {
    "CONTAINS": true,
    "first_name": "Amy"
  }
}
```


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