fork download 
  1. import re
  2.  
  3. examples = [
  4.     "D1",       # expected: ('1')
  5.     "D1sjdgf",  # ('1')
  6.     "D1.2",     # ('1', '2')
  7.     "D1.2.3",   # ('1', '2', '3')
  8.     "D3.10.3x", # ('3', '10', '3')
  9.     "D3.10.11"  # ('3', '10', '11')
  10. ]
  11.  
  12. rx = re.compile(r'^D(\d+)(?:\.(\d+)(?:\.(\d+))?)?')
  13.  
  14. for s in examples:
  15.     result = rx.search(s)
  16.     print(s, result.groups())
  17.  
Success #stdin #stdout 0.03s 9360KB
comments (?)
stdin 
Standard input is empty
stdout 
D1 ('1', None, None)
D1sjdgf ('1', None, None)
D1.2 ('1', '2', None)
D1.2.3 ('1', '2', '3')
D3.10.3x ('3', '10', '3')
D3.10.11 ('3', '10', '11')
https://ideone.com/ck2PIP
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!