查找，分割和級聯

Question

我必須找到在第二行（位置17）某些供應商根據數

例如，我必須找到，分裂並連接此類型的文本 - （該說明符發現，拆分和連接是第二行 - NUMBER，它由6個數字組成 ，所以我必須找到這個數字並按此數字連接）

我必須使用某種正則表達式嗎？或只發現，拆分和連接？ （根據號碼 - 45107，57107）

輸出也在這裏：

Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

輸出（找到後，分割與串連）：

Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 

Answer 1

你似乎想用數字排序的輸出，這樣就可以使用re.split，並用lambda排序，如果爲發佈所有的輸出：

s = """ 
Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
""" 
import re 

srt = sorted(re.split("(?<=which CPython is used.)\n",s),key=lambda x: re.findall("\d{5}",x)) 

for line in srt: 
    print line 

Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      47107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used. 
Add and Remove Platforms. 
      57107 Specify which Python runtime, CPython or Jython, to use as a 
Choose which CPython is used.