[Python] Regular expressions for extracting text inside curly brackets [closed]

I'm working with some marked text and I need to extract information in order to use later. I want to use regular expressions from Python using the module re, but I can't construct the right expression. I have two situations:

• 
  Text in format string="{some text}{other text 1}{other text 2}". Here I use the regexp "\\{(.*?)\\}" but I obtain
  
  >> string="{some text}{other text 1}{other text 2}"
  >> elements = re.split("\\{(.*?)\\}",string)
  >> print(elements)
  >> ['', 'some text', '', 'other text 1', '', 'other text 2', '']
  
  
  I can't understand why the empty strings appear in positions 0, 2, 4 and 6. If I edit my original string to string="}{some text}{other text 1}{other text 2}{" and use the regexp "\\}\\{(.*?)\\}\\{" I obtain
  
  >> string="}{some text}{other text 1}{other text 2}{"
  >> elements = re.split("\\}\\{(.*?)\\}\\{",string)
  >> print(elements)
  >> ['', 'some text', 'other text 1', 'other text 2', '']
  
  
  the internal empty strings in the output dissapear, but not the first and last. How should I construct the regular expression in order to obtain only the elements inside brackets?
  
  
• 
  Text in format string="some text {other text}". In this case I need to extract "some text" and also "other text". Here I don't know how to proceed.
  

Can someone help me, please?

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