import re
texts = ['+9812345678','+99123456789']
for s in texts:
print(re.findall(r'^\+9[98]|\d{2}(?:\d$)?', s))
aW1wb3J0IHJlCnRleHRzID0gWycrOTgxMjM0NTY3OCcsJys5OTEyMzQ1Njc4OSddCmZvciBzIGluIHRleHRzOgoJcHJpbnQocmUuZmluZGFsbChyJ15cKzlbOThdfFxkezJ9KD86XGQkKT8nLCBzKSk=
['+98', '12', '34', '56', '78']
['+99', '12', '34', '56', '789']