pub const fn lowercase() -> LowercaseExpand description
Reference is_lowercase.
Example
use neure::prelude::*;
use neu::*;
fn main() -> Result<(), Box<dyn std::error::Error>> {
let lowercase = lowercase();
let lowercase = lowercase.repeat_times::<2>();
let mut ctx = CharsCtx::new("aδΔA");
assert_eq!(ctx.try_mat(&lowercase)?, Span::new(0, 3));
assert!(ctx.try_mat(&lowercase).is_err());
Ok(())
}