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  1. import re
  2.  
  3. regex = r'({ads\.prime\("mid_leaderboard_rectangle_)\d+("\)})'
  4.  
  5. s = 'Some Text1adCommands.push(function(ads){ads.prime("mid_leaderboard_rectangle_9")});Some Text2adCommands.push(function(ads){ads.prime("mid_leaderboard_rectangle_10")});Some Text3adCommands.push(function(ads){ads.prime("mid_leaderboard_rectangle_11")});Some Text4'
  6.  
  7. print(re.sub(regex, r"\1%d\2", s))
Success #stdin #stdout 0.04s 9616KB
stdin
Standard input is empty
stdout
Some Text1adCommands.push(function(ads){ads.prime("mid_leaderboard_rectangle_%d")});Some Text2adCommands.push(function(ads){ads.prime("mid_leaderboard_rectangle_%d")});Some Text3adCommands.push(function(ads){ads.prime("mid_leaderboard_rectangle_%d")});Some Text4