Revision history of "is decimal natural number, regex composition" (Z13500)

Xulashada Duwanaan : Calaamadee sanduuqyada raadiyaha ee dib u fiirinta si ay isbarbar dhigaan kadib neh taabo enter ama batoonka hoose.
Micnaha: (kan hadda) = kala duwanaanshaha dib u fiirintii ugu dambeysay, (Ugu dambeeyo) = kala duwanaanshaha dib u fiirin hore, y = wax ka badalka yar.