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  1. import re
  2.  
  3. def convert(name):
  4.     return re.sub(r'([A-Z]*)([A-Z][a-z]+)', lambda x: (x.group(1) + '_' if x.group(1) else '') + x.group(2) + '_', name).rstrip('_').lower()
  5.  
  6. print convert('CamelCase')    
  7. print convert('HTTP')
  8. print convert('HTTPRequest')
  9. print convert('SecureHTTPRequest')
  10. print convert('SecureHTTP')
  11.  
Success #stdin #stdout 0.03s 44680KB
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stdin
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Standard input is empty
stdout
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camel_case
http
http_request
secure_http_request
secure_http
https://ideone.com/JyVkds
language:
Python (PyPy 2.7.13)
created:
8 years ago
visibility:
public

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