Search and get a line in Python

Question

Is there a way to search  from a string  a line containing another string and retrieve the entire line   For example   string        qwertyuiop     asdfghjkl      zxcvbnm     token qwerty      asdfghjkl    retrieve line  token      token qwerty

User · Answer

If you prefer a one-liner   matched lines    line for line in my string split   n   if  substring  in line

User · Answer

items re findall  token     s re MULTILINE   gt  gt  gt  for x in items    you can also get the line if there are other characters before token  items re findall     token     s re MULTILINE    The above works like grep token on unix and keyword  in  or  contains in python and C    s     qwertyuiop asdfghjkl  zxcvbnm token qwerty  asdfghjkl         http   pythex org  matches the following 2 lines            token qwerty

User · Answer

you mentioned  quot entire line quot    so i assumed mystring is the entire line  if  quot token quot  in mystring      print mystring   however if you want to just get  quot token qwerty quot    gt  gt  gt  mystring  quot  quot  quot          qwertyuiop         asdfghjkl             zxcvbnm         token qwerty             asdfghjkl        quot  quot  quot   gt  gt  gt  for item in mystring split  quot  n quot         if  quot token quot  in item          print  item strip        token qwerty

User · Answer

With regular expressions  import re s         qwertyuiop     asdfghjkl      zxcvbnm     token qwerty      asdfghjkl        gt  gt  gt  items re findall  token     s re MULTILINE   gt  gt  gt  for x in items          print x     token qwerty

[python] Search and get a line in Python

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