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  1. import re
  2. rpl = r'\geq \1'
  3. # print(re.sub(r'\d+', rpl, 'Text 1')) # sre_constants.error: missing group name
  4. # print(re.sub(r'\d+', r'some \1', 'Text 1')) # sre_constants.error: invalid group reference
  5. print(re.sub(r'\d+', rpl.replace('\\', '\\\\'), 'Text 1'))
Success #stdin #stdout 0.01s 23304KB
comments (?)
stdin 
Standard input is empty
stdout 
Text \geq \1
https://ideone.com/41r4RC
language:
Python (cpython 2.7.16)
created:
8 years ago
visibility:
secret

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