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  1. import re
  2. texts = [ "ab", "aaabbb", "aaaaabbbbb", "aab", "aaabbbb" ]
  3. for text in texts:
  4. match = re.fullmatch(r'(a+)(b+)', text)
  5. if len(match.group(1)) == len(match.group(2)):
  6. print( text, '- MATCH' )
  7. else:
  8. print( text, '- NO MATCH' )
Success #stdin #stdout 0.02s 9352KB
stdin
Standard input is empty
stdout
ab - MATCH
aaabbb - MATCH
aaaaabbbbb - MATCH
aab - NO MATCH
aaabbbb - NO MATCH