fork download
copy 
  1. import re
  2.  
  3. def parse(text):
  4.     if not text:
  5.         return None
  6.     match = re.search(r"([0-9]+(?:\.[0-9]+)?)\s*mm\b", text.lower())
  7.     if match:
  8.     	return float(match.group(1))
  9.     return text
  10.  
  11. tests = ['12.3 mm', '12.3mm', '32.0 mm / 1.259"', '32.0mm / 1.259"']
  12. for s in tests: 
  13.     print( parse(s) )
Success #stdin #stdout 0.02s 9512KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
12.3
12.3
32.0
32.0
https://ideone.com/Qs5lpu
language:
Python 3 (python  3.12)
created:
6 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!