Regex 记事本++；定期的压制，定期的发现和替换

我有一个数据库文本文件，值用“，”分隔

2214，小兔子乐队，小兔子 波段，4,20,100，2，，0,0xFFFFFFFF，7,2，1024，，0,1,15，{}，{}，{

我会把第9个值改为0，其中第15个值是1024

Ctrl+H

查找内容：

^（？：[^，]*，）{8}\K[^，]*（？=（？：，[^，]*）{5}，1024，）

替换为：

0

检查环绕

检查正则表达式

全部替换

说明：

^                   # beginning of line
  (?:[^,]*,){8}     # non capture group, 0 or more non comma followed by comma, must appear 8 times
  \K                # forget all we have seen until this position
  [^,]*             # 0 or more non comma
  (?=               # positive lookahead, make sure we have after:
    (?:,[^,]*){5}       # 5 times a comma followed by 0 or more non comma
    ,1024,              # number 1024 surounded by comma
  )                 # end lookahead

屏幕截图（之前）：

^                   # beginning of line
  (?:[^,]*,){8}     # non capture group, 0 or more non comma followed by comma, must appear 8 times
  \K                # forget all we have seen until this position
  [^,]*             # 0 or more non comma
  (?=               # positive lookahead, make sure we have after:
    (?:,[^,]*){5}       # 5 times a comma followed by 0 or more non comma
    ,1024,              # number 1024 surounded by comma
  )                 # end lookahead

屏幕截图（之后）：

^                   # beginning of line
  (?:[^,]*,){8}     # non capture group, 0 or more non comma followed by comma, must appear 8 times
  \K                # forget all we have seen until this position
  [^,]*             # 0 or more non comma
  (?=               # positive lookahead, make sure we have after:
    (?:,[^,]*){5}       # 5 times a comma followed by 0 or more non comma
    ,1024,              # number 1024 surounded by comma
  )                 # end lookahead