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# Variables
| Variable | Description |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **var**
[`regexp`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` | A first variable.
**Validator**: text based with regular expressions "^#(?:[0-9a-f]{3}){1,2}$"
**Default**: #a1a1a1
**Examples**:
- #b1b1b1
- #b2b2b2 |
# Example with all variables modifiable
```yaml
---
var: '#b1b1b1'
```