Function voca_rs::query::is_digit [−][src]
pub fn is_digit(subject: &str) -> bool
Expand description
Checks whether subject
contains only digit characters.
Arguments
subject
- The string to verify.
Example
use voca_rs::*;
query::is_digit("35");
// => true
query::is_digit("1.5");
// => false
query::is_digit("0xFF");
// => false
query::is_digit("ten");
// => false
use voca_rs::Voca;
"35"._is_digit();
// => true