Bug #15244
Updated by TiSer (Sergey Ti) about 6 years ago
### Example 1:
Current behaviour:
```
File.extname('..jpg')
=> ""
```
Expected behaviour:
```
File.extname('..jpg')
=> ".jpg" "."
```
### Example 2:
Current behaviour:
```
File.extname('....jpg')
=> ""
```
Expected behaviour:
```
=> ".jpg" "..."
```