Regular Expression That Checks If a Number Is Prime (2016)(iluxonchik.github.io)

4 pointsby jagtodeath7 ปีที่แล้ว1 comments

https://iluxonchik.github.io/regular-expression-check-if-number-is-prime/

1 comments

jagtodeath7 ปีที่แล้ว

A python implementation of is_prime(n):

  return re.compile(r'^1?$|^(11+)\1+$').match('1' * n) is None