# chars/lower?
Check if a character is lowercase (a-z).
## Syntax
[chars/lower? $ch]
## Parameters
- `$ch` — A single-character string.
## Examples
[chars/lower? "a"] # true [chars/lower? "z"] # true [chars/lower? "A"] # false
## Returns
Boolean. `false` for empty strings.
## See Also
`chars/upper?`, `chars/alpha?`, `lower`