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[fix](doc) trim.md en: 2-arg trim peels both sides repeatedly; result is 'cca' #3810

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[fix](doc) trim.md en: 2-arg trim peels both sides repeatedly; result is 'cca' #3810

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12 changes: 6 additions & 6 deletions .../version-4.x/sql-manual/sql-functions/scalar-functions/string-functions/trim.md
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Expand Up @@ -46,16 +46,16 @@ SELECT trim(' ab d ') str;
+------+
```

2. Remove specified strings from both ends
2. Remove specified strings from both ends — `trim(str, rhs)` repeatedly strips `<rhs>` from both the leading and trailing ends of `<str>` until neither end starts/ends with `<rhs>`.
```sql
SELECT trim('ababccaab', 'ab') str;
```
```text
+---------+
| str |
+---------+
| ababcca |
+---------+
+------+
| str |
+------+
| cca |
+------+
```

3. UTF-8 character support
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