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  1. import re
  2.  
  3. xml = """<?xml version="1.0" encoding="utf-8" ?>
  4. <book_list>
  5.     <book rbr="1" >
  6.         <title> Yacc </title>
  7.         <author> Filip Maric </author>
  8.         <year> 2004 </year>
  9.         <publisher> Matematicki fakultet </publisher>
  10.         <price currency="din"> 100 </price>
  11.     </book>
  12.     <book rbr="2" >
  13.         <author> Fredrik Lundh </author>
  14.         <price currency="eur"> 50 </price>
  15.         <publisher> O’Reilly & Associates </publisher>
  16.         <year> 2001 </year>
  17.         <title> Python Standard Library </title>
  18.     </book>
  19. </book_list>"""
  20.  
  21. m = re.search(r'<book\s*rbr="\d+"\s*>(?!.*</book>.*<title> Python Standard Library </title>).*(?P<book><title> Python Standard Library </title>).*?</book>', xml, flags=re.DOTALL)
  22. print(m.group('book'))
  23. m = re.search(r'<book\s*rbr="\d+"\s*>(?!.*</book>.*<title> Yacc </title>).*(?P<book><title> Yacc </title>).*?</book>', xml, flags=re.DOTALL)
  24. print(m.group('book'))
  25.  
Success #stdin #stdout 0.02s 9588KB
comments (?)
stdin 
Standard input is empty
stdout 
<title> Python Standard Library </title>
<title> Yacc </title>
https://ideone.com/tF8IXv
language:
Python 3 nbc (python 3.7.3)
created:
4 years ago
visibility:
public

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