刪除兩個正則表達式之間的特殊字符分隔符

Question

s = '^^^@ """@$ raw data &*823ohcneuj^^^ Important Information ^^^raw data^^^ Imp Info' 

其中，我想刪除分隔符^^^和^^^之間的文本。

輸出應該是「重要信息進出口信息」

Answer 1

你可以用正則表達式做到這一點：

import re 
s = '^^^@ """@$ raw data &*823ohcneuj^^^ Important Information ^^^raw data^^^ Imp Info' 
important = re.compile(r'\^\^\^.*?\^\^\^').sub('', s) 

在這個正則表達式的關鍵要素是：

1. 逃脫^特點，因爲它有特殊的含義
2. 使用非官方匹配的.*?

Answer 2

def removeText(text): 
    carrotCount = 0 
    newText = "" 
    for char in text: 
      if(char == '^'): 
       # Reset if we have exceeded 2 sets of carrots 
       if(carrotCount == 6): 
         carrotCount = 1 
       else: 
        carrotCount += 1 
      # Check if we have reached the first '^^^' 
      elif(carrotCount == 3): 
       # Ignore everything between the carrots 
       if(char != '^'): 
        continue; 
       # Add the second set of carrots when we find them 
       else: 
        carrotCount += 1 
      # Check if we have reached the end of the second ^^^ 
      # If we have, we have the message 
      elif(carrotCount == 6): 
       newText += char 
     return newText 

這將打印 「重要信息進出口信息。」