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  1. import re
  2.  
  3. txt = "(NASDaq/abnjnxd:number1) ojsnxsjsxmjosx (nasDaq:number2) (NYSE:bhdnd) (Nasdaq:eres)"
  4.  
  5. x = re.findall("\(((?:NASDAQ|NYSE)[^()\s]*)\)", txt, re.I)
  6.  
  7. print(x)
Success #stdin #stdout 0.02s 9508KB
stdin
Standard input is empty
stdout
['NASDaq/abnjnxd:number1', 'nasDaq:number2', 'NYSE:bhdnd', 'Nasdaq:eres']