Is the Number a Repdigit

Published by Eduard Diakunenko in
algebrafunctional_programmingmathnumbersvalidation

A repdigit is a positive number composed out of the same digit. Create a function that takes an integer and returns whether it's a repdigit or not.

Examples

isRepdigit(66) ➞ true

isRepdigit(0) ➞ true

isRepdigit(-11) ➞ false

Notes

  • The number 0 should return true (even though it's not a positive number).
  • Check the Resources tab for more info on repdigits.
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